Using Cc1ccccc1[S+](c1ccccc1)c1ccccc1, O=C(OC(=O)C(F)(F)F)C(F)(F)F to produce Cc1ccccc1[S+](=O)(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.