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)OC2C4c2c(O)cc(O)c3c2OC(c2ccc(O)c(O)c2)C(O)C3)OC(=O)c2cc(O)c(O)c(O)c2-c2c1cc(O)c(O)c2O
assistant