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
C=CCNc1cccc(-n2c(=O)n(-c3ccc(Oc4cccc(C)c4C)c(Cl)c3)c3cnccc32)c1
assistant