You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule is a protein tyrosine kinase inhibitor.
user
CC(C)(C(=O)O)c1cc(C(=O)c2ncc(C#N)[nH]2)c(F)c(C2=CCCCC2)c1N
assistant