You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule has Odor similar to hydrogen sulfide. Decomposes on heating. this produces toxic and corrosive fumes including acetic acid fumes, hydrogen sulfide and sulfur oxides.
user
OCCSCCO
assistant