Using COC(=O)c1ccc(N)cc1, O=C(O)COc1ccc(Cl)cc1Cl to produce COC(=O)c1ccc(NC(=O)COc2ccc(Cl)cc2Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.