You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: Sodium azide decomposes at 275 °c. The molecule has Odorless (with traces of water fishy smelling because of hn3 formation).
user
[N-]=[N+]=[N-].[Na+]
assistant