Using CCCC1=N[C@@H]2[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]2S1, [N-]=[N+]=[N-] to produce CCCC1=N[C@@H]2[C@@H](O)[C@H](O)[C@@H](CN=[N+]=[N-])O[C@@H]2S1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.