Using [N-]=[N+]=[N-], COC(=O)C(C)(C)[C@H]1CC[C@@H](OS(C)(=O)=O)CC1 to produce COC(=O)C(C)(C)[C@H]1CC[C@H](N=[N+]=[N-])CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.