You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Decomposes immediately on melting to form ammonia, water vapor, and solid products. the gases from the decomposition of nitroguanidine are far less erplosive than gases from other similar explosives. Use the above information to create a molecule.
user
N=C(N)N[N+](=O)[O-]
assistant