You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule is a jak inhibitor and belongs to the cancer treatment class of molecules.
user
NCCOCCNc1ccc2c(c1)C(=O)N(C(CCC=O)C(N)=O)C2=O
assistant