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, a nutrient, and a membrane stabilizer. The molecule is a energy source, emulsifier, surfactant, signalling molecule.
user
C=C(C(C)C)C(O)C(O)C(C)C1CCC2C3CCC4CC(O)C(O)CC4(C)C3CCC12C
assistant