You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
When heated to decomposition it emits acrid smoke and irritating fumes. Use the above information to create a molecule.
user
CCCCCCCCCCCCCC(=O)OC1C(C)C2(O)C(C=C(CO)CC3(O)C(=O)C(C)=CC32)C2C(C)(C)C12OC(C)=O
assistant