Using O=C(Cl)c1ccccc1F, O=C1NS(=O)(=O)c2ccccc21 to produce O=C(c1ccccc1F)N1C(=O)c2ccccc2S1(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.