Using O=C([N-]C1CCCCC1)C(Cl)(Cl)Cl, NS(=O)(=O)c1ccc(CCNC(=O)N2Cc3ccccc3C2=O)cc1 to produce O=C(NC1CCCCC1)NS(=O)(=O)c1ccc(CCNC(=O)N2Cc3ccccc3C2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.