You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a btk inhibitor.
user
CC(C)(C)OC(=O)Nc1cccc(-n2cnc3cnc(Nc4ccc(Oc5ccccc5)cc4)nc32)c1
assistant