Using O=[N+]([O-])c1ccc(Nc2nc3ccccc3[nH]2)cc1, BrCCBr to produce O=[N+]([O-])c1ccc(N2CCn3c2nc2ccccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.