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 based on this description: The molecule is a membrane stabilizer, energy storage, emulsifier, surfactant, energy source, nutrient.
user
CC=C(C)C(=O)OC1C(O)C(C)(C)CC2C3=CCC4C5(C)CCC(O)C(C)(CO)C5CCC4(C)C3(C)CC(O)C21CO
assistant