Using COC(=O)C(N)c1cccc(OCc2ccccc2)c1, O=C(Cl)OCc1ccccc1 to produce COC(=O)C(NC(=O)OCc1ccccc1)c1cccc(OCc2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.