Using BrC(Br)(Br)Br, CN(C(=O)c1ccc(Cl)cc1)[C@H]1CC[C@H](c2ccc(CO)cc2)CC1 to produce CN(C(=O)c1ccc(Cl)cc1)[C@H]1CC[C@H](c2ccc(CBr)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.