Using Cc1cc(Br)cnc1CCCCNc1ncc(Cc2cccnc2)cc1[N+](=O)[O-] to produce Cc1cc(Br)cnc1CCCCNc1ncc(Cc2cccnc2)cc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.