Using [O-][I+3]([O-])([O-])[O-], CNC(=O)c1cc(-c2ccc(SC)cc2)c(-c2ccc(F)cc2)s1 to produce CNC(=O)c1cc(-c2ccc(S(C)=O)cc2)c(-c2ccc(F)cc2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.