Using COC(=O)c1ccc(Cl)cc1N, O=S(=O)(Cl)c1ccc(F)cc1F to produce COC(=O)c1ccc(Cl)cc1NS(=O)(=O)c1ccc(F)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.