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 Strong offensive odor. When heated to decomposition or on contact with acid or acid fumes it emits highly toxic fumes of sulfur oxides.
user
CC(C)(C)S
assistant