You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a energy source, energy storage, nutrient, membrane stabilizer.
user
O=C1OCC2OC(=O)c3cc(O)c(O)c(O)c3-c3c(O)c(O)c(O)c4c3C(=O)OC(C2OC(=O)c2cc(O)c(O)c(O)c2-c2c1cc(O)c(O)c2O)C1OC(=O)C2C4=C(O)C(=O)C23Oc2c(O)c(O)cc(C(=O)O)c2C13
assistant