Using O=C=NC(=O)C(Cl)(Cl)Cl, CC(C)(C)c1ccc(CCC(O)CC2CCCCC2)cc1NC(=O)CC1c2ccccc2Oc2ccccc21 to produce CC(C)(C)c1ccc(CCC(CC2CCCCC2)OC(N)=O)cc1NC(=O)CC1c2ccccc2Oc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.