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 nutrient, and a surfactant. The molecule is a emulsifier, signalling molecule, membrane stabilizer, energy storage.
user
C=C1CCC2SC1C1C(C(C)C)CCC21C
assistant