He described a deal on debt relief as "doable".
However he said that "the precondition is to have pre-agreement this weekend involving all partners".
European Central Bank executive Benoit Coeure has urged lenders to grant Greece relief on its massive debts, the Washington Post reports.
Greece's debt will grow to €315 billion ($334 billion) or around 180% of output this year, according to the Greek finance ministry.
Negotiations between Athens and its creditors hit a snag last week due to differences on fiscal targets, and energy and labour reforms that are part of Greece's second bailout review.
But the government fears the measures would deepen the domestic welfare crisis.
Greece says it can not accept more austerity after 2018 and wants to be included in the European Central Bank's quantitative easing program in the first quarter of 2017 to regain market access by the end of that year.
Making a Murderer's Brendan Dassey to Be Released From Custody
However, former Wisconsin state prosecutor Ken Kratz reprimanded the series, which appeared to point to Avery's innocence. Given that his family lives in north-east Wisconsin , there is little chance Mr Dassey will try to flee, the judge said .
He noted that Greece had made a lot of progress in reforms but also that a lot more remained to be done, while stressing that the Greek government΄s perceived commitment to reforms was among the criteria that will be taken into account when the European Central Bank governing council considers whether to include Greek bonds in the Public Sector Purchase Programme (PSPP), better known as quantitative easing.
The International Monetary Fund has said it won't join the latest bailout - Greece's third since 2010 - until it sees a concrete plan from the Europeans to substantially cut the debt burden.
On Monday, Finance Minister Euclid Tsakalotos suggested the target be reduced to 2.5 percent of GDP. The EU Commissioner said the Eurogroup on December 5 is crucial, but warned debt talks will not conclude in one meeting.
Moscovici brushed aside Tuesday questions about a fourth economic lifeline for Greece.
"Without concluding the second review there will not be a solution on debt and without this solution we won't be able to be included in quantitative easing", he said.
"Three is a lot and what we'd like is that programme to be a success. exit of the programme, this is our target". Years of recession have shrunk the economy by a quarter and roughly doubled the rate of poverty.
Moscovici said the commission expects the Greek economy to grow between 2.5 and 3.0 percent next year.