You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a btk inhibitor. Please write the SMILES representation of it.
user
Cc1c(Nc2ccc(C(F)F)cc2)cccc1-c1ccc(C(N)=O)c2[nH]ccc12
assistant