Using COc1ccc2c(c1)C(C(=O)N(Cc1ccc(C=O)cc1)c1ccc(C(C)C)cc1)CCC2 to produce COc1ccc2c(c1)C(C(=O)N(Cc1ccc(CO)cc1)c1ccc(C(C)C)cc1)CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.