You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a waste product, signalling molecule, energy source and belongs to the drug metabolite class of molecules. The molecule is a energy storage, emulsifier, surfactant, membrane stabilizer.
user
O=C1OCC(O)C(O)C(O)C1O
assistant