Using COC(=O)c1cc(N)ccc1Oc1ccccc1, O=C(Cl)c1cccc(Cl)c1 to produce COC(=O)c1cc(NC(=O)c2cccc(Cl)c2)ccc1Oc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.