Using CCCc1c(OCc2cccc(Sc3ncccc3C#N)c2)ccc(C(C)=O)c1O, [N-]=[N+]=[N-] to produce CCCc1c(OCc2cccc(Sc3ncccc3-c3nn[nH]n3)c2)ccc(C(C)=O)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.