You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a btk inhibitor.
user
CC(O)C(=O)N1CCCC(c2nc(-c3ccc(C(=O)Nc4cc(C(F)(F)F)ccn4)cc3)c3c(N)nccn23)C1
assistant