You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? The molecule is a btk inhibitor.
user
COc1cccc(Oc2ccc(-n3c(=O)n(C4CCCN(C(=O)O)C4C(C)(C)C)c4ccncc43)cc2)c1Cl
assistant