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 membrane stabilizer, a energy storage, a surfactant, and woody. The molecule is a energy source, a emulsifier, a nutrient, and herbal.
user
CCCCCC(O)C(C)=O
assistant