You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: The molecule is a janus kinase inhibitor.
user
COC1CN(C2CCC(n3nc(Nc4ccc(Cl)c(F)c4)c4c(=O)[nH]ccc43)CC2)C1
assistant