You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a btk inhibitor.
user
CC(C)Oc1ccc(NC2CCCN(c3nnc(C(N)=O)c(Nc4ccc(C(=O)N5CCOCC5)cc4)n3)C2)cc1
assistant