You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is both a waste product and a nutrient. Please write the SMILES representation of it.
user
CC=C(C=O)COc1c(OC)c(OC)cc2c1-c1c(cc(OC)c(OC)c1OC)CC(C)(O)C(C)C2
assistant