Using COC(=O)c1cccc(Oc2ccc3nc(N)oc3c2)c1, O=C(Cl)C1CC1 to produce COC(=O)c1cccc(Oc2ccc3nc(NC(=O)C4CC4)oc3c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.