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
C=CC(O)N1CCCC(n2nc(-c3ccc(Oc4ccccn4)cc3)c3c(N)n[nH]c(=O)c32)C1
assistant