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, a surfactant, and a emulsifier. The molecule is a signalling molecule, nutrient, membrane stabilizer, energy storage.
user
CC=C(CCC(C)C1CCC2C3CCC4CC(=O)CCC4(C)C3CCC12C)C(C)C
assistant