Using CN, O=S(=O)(Cl)c1ccc(NS(=O)(=O)C(F)(F)F)cc1 to produce CNS(=O)(=O)c1ccc(NS(=O)(=O)C(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.