You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a nutrient.
user
O=C1OC2C(C3OC(=O)c4cc(O)c(O)c(O)c4-c4c(cc(O)c(O)c4O)C(=O)OCC3O)OC(=O)c3cc(O)c(O)c(O)c3C3=C1C1(Oc4cc(O)c5c(c4C21)OC(c1ccc(O)c(O)c1)C(O)C5)C(=O)OC3(O)C(=O)O
assistant