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: When heated to decomposition it emits toxic fumes of nitrogen oxide. The molecule has Faint, sweet, soapy taste. The molecule is a member of the anti viral class and features a Slight, characteristic odor functional group.
user
NC(CO)(CO)CO
assistant