Using CC(C)(C)OC(=O)N1CCN(C(C#N)=Cc2nccs2)CC1, [N-]=[N+]=[N-] to produce CC(C)(C)OC(=O)N1CCN(c2nn[nH]c2-c2nccs2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.