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 based on this description: The molecule is a nutrient.
user
O=C(O)CC(=O)OCC1OC(Oc2ccc3c(c2)OCC2c4cc5c(cc4OC32)OCO5)C(O)C(O)C1O
assistant