Using CC(=O)N1CCN(C(=O)c2ccc(Nc3nccc(-c4ccc([N+](=O)[O-])cc4)n3)cc2)CC1 to produce CC(=O)N1CCN(C(=O)c2ccc(Nc3nccc(-c4ccc(N)cc4)n3)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.