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 decomp, emits toxic fumes. The molecule has Characteristic odor. Use the above information to create a molecule.
user
CCCCC(CC)COC(=O)CC(C(=O)OCC(CC)CCCC)S(=O)(=O)[O-].[Na+]
assistant