Using CC(C)C(C(=O)Nc1ccc(C(=O)NOCc2ccccc2)cc1)c1ccccc1 to produce CC(C)C(C(=O)Nc1ccc(C(=O)NO)cc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.