Using CCN(CC)C(=O)c1ccc(C(CCO)c2cccc(OC)c2)cc1, BrC(Br)(Br)Br to produce CCN(CC)C(=O)c1ccc(C(CCBr)c2cccc(OC)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.