Using BrCc1ccccc1, O=[N+]([O-])c1ccccc1N1CCNCC1 to produce O=[N+]([O-])c1ccccc1N1CCN(Cc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.