Using CC(C)(C)OC(=O)Nc1cccc(Oc2ccc3nc(N)[nH]c3c2)c1, O=C(Cl)C1CC1 to produce CC(C)(C)OC(=O)Nc1cccc(Oc2ccc3nc(NC(=O)C4CC4)[nH]c3c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.