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 based on this description: The molecule is a btk inhibitor.
user
C=CC(=O)Nc1cc(Nc2nc(-c3ccnc(N4CCn5c(cc6c5CC(C)(C)C6)C4=O)c3CO)cn(C)c2=O)cnc1N1CCN(C2COC2)CC1C
assistant