You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule has Pleasant, sharp, acidic taste. The molecule has Odorless. When heated to decomposition it emits acrid smoke and irritating fumes.
user
O=C1OC(C(O)CO)C(O)=C1O
assistant