Using [N-]=[N+]=[N-], CCS(=O)(=O)c1cccc(-c2cc(C#N)cc3[nH]c4ncc(C)cc4c23)c1 to produce CCS(=O)(=O)c1cccc(-c2cc(-c3nn[nH]n3)cc3[nH]c4ncc(C)cc4c23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.