Using COC(=O)[C@H](CCOCc1ccccc1)N1CCN(C(=O)OCc2ccccc2)CCC1=O to produce O=C([O-])[C@@H](CCOCc1ccccc1)N1CCN(C(=O)OCc2ccccc2)CCC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.