Using Br[P+](c1ccccc1)(c1ccccc1)c1ccccc1, CCCCC(O)(CCCC)c1ccc(F)cc1 to produce CCCCC(Br)(CCCC)c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.