You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a nutrient. Use the above information to create a molecule.
user
O=C(C=Cc1ccc(O)cc1)OCC1OC(OC2C(OC3C(Oc4c(-c5ccc(O)c(O)c5)oc5cc(O)cc(O)c5c4=O)OC(CO)C(O)C3O)OC(CO)C(O)C2O)C(O)C(O)C1O
assistant