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 emulsifier, and a surfactant. The molecule is a energy storage, energy source, nutrient, signalling molecule.
user
O=C([O-])C(O)C(O)C(O)C(O)CO.O=C([O-])C(O)C(O)C(O)C(O)CO.[Mg+2]
assistant