You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a btk inhibitor.
user
Cc1cc(C(C)(O)c2cccc(C(F)(F)F)c2)ccc1-c1nc(C2CCC3CCC(=O)N3C2)n2ccnc(N)c12
assistant