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 source, nutrient, membrane stabilizer, emulsifier, energy storage, surfactant.
user
CC1=C2CC3(C)C(C)CCC(=O)C3CC2OC1=O
assistant