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 energy storage, emulsifier, membrane stabilizer, surfactant, nutrient, energy source.
user
CCC=CCC1=C(C)C(O)CC1=O
assistant