Using COC(=O)c1ccccc1NC(=O)c1ccc(C(C)(C)C)cc1 to produce CC(C)(C)c1ccc(C(=O)Nc2ccccc2C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.