Using CC(=O)Oc1cccc(C(=O)Nc2ncc(S(C)(=O)=O)s2)c1 to produce CS(=O)(=O)c1cnc(NC(=O)c2cccc(O)c2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.