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 signalling molecule, energy storage, membrane stabilizer, energy source.
user
O=C1OC2C(OC(C(O)CO)C2O)c2c(O)c(O)c(O)c(-c3c(O)c(O)c4oc(=O)c5cc(O)c(O)c(O)c5c4c3C(=O)OC3OC(C(=O)O)C(O)C(O)C3O)c21
assistant