Using NC(C(=O)O)C1CC(=O)NC1=O, O=C(Cl)OCc1ccccc1 to produce O=C1CC(C(NC(=O)OCc2ccccc2)C(=O)O)C(=O)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.