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=C(C#N)C(=O)N1CCCC(n2nc(-c3ccc(Oc4ccccc4)cc3F)c3c(N)cnnc32)C1
assistant