You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: Decomposes on heating. ... polymerizes (especially under light or in the presence of alkali or strong acid) forming disacryl, a plastic solid. The molecule has Extremely sharp; extremely acrid, pungent, burnt sweet; hot fat.
user
C=CC=O
assistant