You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: The molecule is a jak3 inhibitor and belongs to the anti tumor agent class of molecules, with the characteristic of being anti tumor.
user
CC(CO)n1c(=O)[nH]c2cnc3[nH]ccc3c21
assistant