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 jak2 inhibitor. Use the above information to create a molecule.
user
CCCCCN1CCN(c2ccc3nc(NC(=O)c4[nH]cnc4C(N)=O)[nH]c3c2)CC1
assistant