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 jak inhibitor and belongs to the cancer treatment class of molecules. Use the above information to create a molecule.
user
NC(=O)c1nc(-c2ccc(Cl)cc2)sc1Nc1cccc(C(CO)N2CCOCC2)n1
assistant