Using C[S+](C)(C)=O, O=C(COCc1cc(C(F)(F)F)cc(C(F)(F)F)c1)c1ccccc1 to produce FC(F)(F)c1cc(COCC2(c3ccccc3)CO2)cc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.