Using CCOc1cccc(C(=O)c2ncc(C#N)c3cc(OC)c(OC)cc23)c1, [N-]=[N+]=[N-] to produce CCOc1cccc(C(=O)c2ncc(-c3nnn[nH]3)c3cc(OC)c(OC)cc23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.