You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a waste product. Use the above information to create a molecule.
user
COC(=O)CC(=O)OCC1OC(Oc2ccc3c(=O)c(-c4ccc(OC)cc4)coc3c2)C(O)C(O)C1O
assistant