Using [N-]=[N+]=[N-], CC(C)(C)OC(=O)N1C[C@@H](OS(C)(=O)=O)CC[C@@H]1CC1(O)CCOCC1 to produce CC(C)(C)OC(=O)N1C[C@H](N=[N+]=[N-])CC[C@@H]1CC1(O)CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.