Using O=C(Cl)COc1ccc(Cl)cc1Cl, CC1(C)CON(Cc2ccc(NN)cc2Cl)C1=O to produce CC1(C)CON(Cc2ccc(NNC(=O)COc3ccc(Cl)cc3Cl)cc2Cl)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.