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