You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a energy storage, membrane stabilizer, energy source, nutrient.
user
CCC(CCC(C)C1CCC2C3=CCC4CC(=O)CCC4(C)C3CCC21C)C(C)C
assistant