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
OCC1OC(OCC2OC(OCC3OC(OC4C(O)C(O)C(O)C(O)C4O)C(O)C(O)C3O)C(O)C(O)C2O)C(O)C(O)C1O
assistant