You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a nutrient.
user
OCC1OC(OCC2OC(OC3C(O)C(O)C(O)C(O)C3O)C(O)C(O)C2O)C(O)C(O)C1O
assistant