Using CC(=O)c1ccc(C(c2ccccc2)C(C)(C)C(=O)Nc2nccs2)cc1 to produce CC(O)c1ccc(C(c2ccccc2)C(C)(C)C(=O)Nc2nccs2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.