Using CC(=O)Nc1ccc(C#N)cc1[N+](=O)[O-], [N-]=[N+]=[N-] to produce CC(=O)Nc1ccc(-c2nnn[nH]2)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.