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 nutrient.
user
O=C1OCC(O)C(C2OC(=O)c3cc(O)c(O)c(O)c3-c3c(O)c(O)c(O)c4c3C(=O)OC2C4O)OC(=O)c2cc(O)c(O)c(O)c2-c2cc1c(O)c(O)c2O
assistant