Using [O-][I+3]([O-])([O-])O, O=[N+]([O-])c1ccc(SC2CC2)cc1 to produce O=[N+]([O-])c1ccc(S(=O)C2CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.