You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a btk inhibitor. Use the above information to create a molecule.
user
C=CC(=O)N1CCC(Nc2n[nH]c3nccc(-c4ccc(C(C)NC(=O)c5noc(C(C)(C)C)n5)cc4)c23)C1
assistant