You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a nutrient. Please represent the molecule in SMILES.
user
O=C(O)CC(=O)OCC1OC(Oc2ccc3c(=O)c(-c4ccc(O)cc4)coc3c2)C(O)C(O)C1O
assistant