Using CC(C)(C)c1ccc(NC(=O)c2ccc(C#N)cc2)cc1, [N-]=[N+]=[N-] to produce CC(C)(C)c1ccc(NC(=O)c2ccc(-c3nnn[nH]3)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.