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 and belongs to the cancer treatment class of molecules, with the characteristic of being autoimmune treatment.
user
Cc1cc(Nc2cc(-c3ccc(F)c(NC(=O)c4cnc(C(C)(C)C)cn4)c3)nn(C)c2=O)nn1C
assistant