Using CI, O=C(Nc1nccs1)C1=C(O)c2sccc2S(=O)(=O)N1 to produce CN1C(C(=O)Nc2nccs2)=C(O)c2sccc2S1(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.