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: When heated to decomposition it emits irritating fumes. The molecule has Sour, vinegar-like odor. A drum contaminated with acetic acid was filled with acetaldehyde. the ensuing exothermic polymerization reaction caused a mild eruption lasting for several hours. The molecule has Burning taste.
user
CC(=O)O
assistant