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 signalling molecule, a nutrient, and a energy source. The molecule is a energy storage, emulsifier, surfactant, membrane stabilizer.
user
CC(=O)C=CC1C(C)(O)C(O)C(OC(C)=O)C2C(C)(C)CCCC21C
assistant