Using CC(C(N)=O)c1ccc2c(=O)c3ccccc3ccc2c1, CC(=O)O to produce CC(C(=O)O)c1ccc2c(=O)c3ccccc3ccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.