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, emulsifier, membrane stabilizer, energy source, surfactant, nutrient.
user
CCCC(=O)c1c(O)cc(C)oc1=O
assistant