You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a janus kinase inhibitor, a cancer treatment, a jak3 inhibitor, and rheumatoid arthritis treatment.
user
CCOC(=O)c1c[nH]c2ncnc(-c3cccc([N+](=O)[O-])c3)c12
assistant