Using [O-][I+3]([O-])([O-])[O-], C=C(C)Sc1nc(C(=O)C(=C)C)c(Cl)n1-c1ccc(CC)cc1 to produce C=C(C)C(=O)c1nc(S(=O)C(C)C)n(-c2ccc(CC)cc2)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.