Using COc1ccc(C(=O)O)cc1N, O=C1CC(C(=O)OCC2c3ccccc3-c3ccccc32)C(=O)N1 to produce COc1ccc(C(=O)O)cc1NC(=O)OCC1c2ccccc2-c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.