You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule has Sharply odorous. When heated to decomposition it emits acrid smoke and toxic fumes. Will polymerize when hot. uncontrolled bulk polymerization can be explosive.
user
C=CC(=O)OCC(C)C
assistant