You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is both a autoimmune disease treatment and a cathepsin s inhibitor.
user
CC1(C(=O)N2CC(C(F)(F)c3ccc(Br)cc3C(F)(F)F)CC2C(=O)O)CC1
assistant