You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule has Odorless. When heated to decomposition, it emits toxic fumes of nitrogen oxides. The molecule has Bitter taste. Use the above information to create a molecule.
user
Cn1c(=O)c2c(ncn2C)n(C)c1=O
assistant