Using C[C@H](c1ccccc1)N1C[C@](CCO)(COCc2ccccc2)CC1=O, BrC(Br)(Br)Br to produce C[C@H](c1ccccc1)N1C[C@](CCBr)(COCc2ccccc2)CC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.