You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? The molecule is a jak3 inhibitor and belongs to both the autoimmune treatment and inflammatory treatment classes of molecules.
user
COCC(=O)NCc1ccc(-c2cc3c(NC4CN(C(=O)C5(C#N)CC5)CC4C)c(C(N)=O)cnn3c2)cn1
assistant