Using C[C@H](NC(=O)OC(C)(C)C)c1ccc(C#N)cc1, [N-]=[N+]=[N-] to produce C[C@H](NC(=O)OC(C)(C)C)c1ccc(-c2nn[nH]n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.