You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: Upon decomposition it emits toxic fumes of nitroxides. The molecule has Depending on the purity of the product, it gives water a bitter-astringent taste at concentrations of 130 mg/l.
user
O=[N+]([O-])OCCOCCO[N+](=O)[O-]
assistant