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 is a membrane stabilizer, nutrient, energy source, energy storage, surfactant, emulsifier.
user
CCCCCCCCCCCC1=CC(=O)C(O)=C(O)C1=O
assistant