Using O=C(c1ccccc1)c1ccccc1Nc1ncccc1[N+](=O)[O-], O=C1c2ccccc2C(=O)N1CCCBr to produce NCCCN(c1ccccc1C(=O)c1ccccc1)c1ncccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.