You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a jak inhibitor.
user
COCCCC1(C#N)CN(C(=O)O)CCC1n1cc(C(N)=O)c(Nc2ccc(F)cc2)n1
assistant