Using [O-][I+3]([O-])([O-])[O-], C=CCCC(=O)[N-]S(=O)(=O)c1ccccc1 to produce O=C1CCC(O)N1S(=O)(=O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.