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 jak3 inhibitor and inflammatory treatment, and it impacts autoimmune treatment.
user
N#CCC(=O)N1CCC(Nc2c(C(N)=O)cnn3cc(Br)cc23)C1
assistant