You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a protein kinase inhibitor and belongs to the cancer treatment class of molecules.
user
NC(=O)c1cccc2c(NCc3cccc(Nc4ccc(C5CCNCC5)cn4)c3)ncnc12
assistant