Using CC(C)(C)OC(=O)N1CC[C@H](COS(C)(=O)=O)[C@H](O)C1, [N-]=[N+]=[N-] to produce CC(C)(C)OC(=O)N1CC[C@H](CN=[N+]=[N-])[C@H](O)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.