The Reds had carved out a two-goal lead by the hour mark at the Emirates Stadium thanks to Luis Suarez and Jordan Henderson but let that slip as Olivier Giroud and Theo Walcott earned the Gunners a point.
But the Spaniard, who made his return from injury with a 20-minute run-out in north London, is confident Brendan Rodgers' side can improve on the result.
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"We played very well in the first half and had some chances to increase our score and were a little bit unlucky.
"In the second half they pressed us and made it difficult for us and both sides had chances, but it was a great game and in the end it's not a bad result.
"We have another very important game at Manchester City on Sunday and I think if we can play like we did on Wednesday night then we can win it.
"There is a long way to go in the race for the top-four and if we can take four points from these two games that would be fantastic.
"We won there last season in the Carling Cup and there's no reason why we can't do it again."
The 27-year-old is now keen to regain a starting place after recovering from a hamstring injury which has kept him out since the 3-0 win over QPR on December 30.
He added: "It feels good to be back and I felt okay and tried to get forward as much as I could. I just want to prove my fitness quickly now and help the team."