Using CC(C)(C)OC(=O)N1CCC(N)CC1, O=C(O)c1ccccc1Oc1ccc(Cl)cc1Cl to produce CC(C)(C)OC(=O)N1CCC(NC(=O)c2ccccc2Oc2ccc(Cl)cc2Cl)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.