Using COC[P+](c1ccccc1)(c1ccccc1)c1ccccc1, CC(=O)c1sc(-c2ccc(C(F)(F)F)cc2)cc1C to produce COC=C(C)c1sc(-c2ccc(C(F)(F)F)cc2)cc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.