Using CC(C)(C)OC(=O)[C@@H]1CN(Cc2ccccc2)C(=O)N1C(=O)OCc1ccccc1 to produce CC(C)(C)OC(=O)[C@@H]1CN(Cc2ccccc2)C(=O)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.