Using [O-][I+3]([O-])([O-])[O-], CCOCN(C(=O)CSC)c1cccc(C(F)(F)F)c1 to produce CCOCN(C(=O)CS(C)=O)c1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.