You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a janus kinase inhibitor.
user
CC(C(=O)O)n1cc(NC(=O)c2cnn3cccnc23)c(-c2cc(Cl)ccc2C=O)n1
assistant