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=c1c(O)c(-c2ccc(O)c(OS(=O)(=O)O)c2)oc2cc(O)cc(O)c12
assistant