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
CCC(=O)N1CCCC(c2nc(-c3ccc(C(=O)Nc4cc(C5CC5)ccn4)c(C)c3)c3c(N)nccn23)C1
assistant