You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a waste product.
user
COc1ccc(C2CC(=O)c3c(O)cc(O)cc3O2)cc1OS(=O)(=O)O
assistant