Using C[C@H]1[C@@H](c2cc(C(F)(F)F)cc(C(F)(F)F)c2)OC(=O)N1Cc1cc(C(F)(F)F)ccc1CO, BrC(Br)(Br)Br to produce C[C@H]1[C@@H](c2cc(C(F)(F)F)cc(C(F)(F)F)c2)OC(=O)N1Cc1cc(C(F)(F)F)ccc1CBr, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.