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
Cn1cc(Nc2nc(N)nc(-c3cccc(-n4ccc5cc(C6CC6)cc(F)c5c4=O)c3CO)n2)cc1S(C)(=O)=O
assistant