Using CO[C@H](c1ccc(C(F)(F)F)cc1CO)C1CCCCC1, BrC(Br)(Br)Br to produce CO[C@H](c1ccc(C(F)(F)F)cc1CBr)C1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.