You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a jak inhibitor. Use the above information to create a molecule.
user
Cc1ccc(-c2ccc3c(c2)c2c(=O)[nH]ccc2c2nc(-c4c(F)cccc4Cl)[nH]c32)cn1
assistant