Using C[S+](C)(C)=O, CC(C)(CC(=O)C(F)(F)F)c1cccc(Br)c1 to produce CC(C)(CC1(C(F)(F)F)CO1)c1cccc(Br)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.