The 20-year-old Internacional playmaker has confirmed that he underwent a medical with the west London club, but has not signed any contract yet and is taking his time
The 20-year-old playmaker has been linked with a move to Stamford Bridge throughout the summer, and there had been speculation that he had gone to the club to have a medical after arriving in London for the Olympics with Brazil.
He confirmed this after the 2-0 win over Team GB in Middlesbrough, but added that he has not signed any contracts yet and will make a decision on his future after the Games.
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"All Brazilian players have this dream. I have, like everybody, the dream to play in Europe and the Premier League."
Oscar, who had previously told reporters that he wanted to stay at Internacional, also hopes to impress fans in Britain with his performances at the tournament.
He added: "It's like a dream for me, participating in the Olympics, it's so important for my career and I hope to win the gold medal here.
"It was a good result tonight but we have to improve and grow during the competition to reach the final.
"I am enjoying, it is not a pressure, I am focused on the Olympics but want to show the British fans that I can play well here."