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 janus kinase inhibitor.
user
COC(=O)N1CCC(CC#N)(Nc2cc[nH]c(=O)c2C(N)=Nc2ccnc(F)c2)CC1
assistant