Using [O-][I+3]([O-])([O-])[O-], CCCCCCCCCCCCSCCOc1ccc(CCC(=O)C(F)(F)F)cc1 to produce CCCCCCCCCCCCS(=O)CCOc1ccc(CCC(=O)C(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.