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(OCC(O)C(O)C1OC(=O)c2cc(O)c(O)c(O)c2-c2c(O)c(O)c(O)c3c2C(=O)OC1C3O)c1cc(O)c(O)c(O)c1
assistant