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 based on this description: The molecule is a energy source, nutrient, energy storage, 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)c2c-4c(O)c(O)c(O)c2C1c1c(C(=O)O)cc(O)c(O)c1O
assistant