You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a angiotensin converting enzyme inhibitor, ec 3.4.15.1 (peptidyl-dipeptidase a) inhibitor, anti oxidant with an effect on cancer preventive.
user
COc1ccc(C2CC(=O)c3c(O)cc(O)cc3O2)cc1
assistant