You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: The molecule has Musty odor. When heated to decomposition ... emits highly toxic fumes of nitrogen oxides. srp: diazomethane does not need to decompose to emit toxic fumes.
user
C=[N+]=[N-]
assistant