Using O=[N+]([O-])c1ccc(CCBr)cc1, O=C1c2ccccc2CC12CCNCC2 to produce O=C1c2ccccc2CC12CCN(CCc1ccc([N+](=O)[O-])cc1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.