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 and belongs to the cancer treatment class of molecules. Use the above information to create a molecule.
user
Cn1ncc2cc(-c3c(-c4cnn(Cc5ccncc5)c4)[nH]c4ncc5c(c34)n(C3CCCC3)c(=O)n5C)ccc21
assistant