Using CSc1cc(OS(=O)(=O)C(F)(F)F)nc2sc(C(N)=O)c(N)c12, O=S(=O)([O-])O[O-] to produce CS(=O)c1cc(OS(=O)(=O)C(F)(F)F)nc2sc(C(N)=O)c(N)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.