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 erk inhibitor and belongs to the cancer treatment class of molecules.
user
Cn1cc(Nc2nccc(-c3ccn4c(Cc5cccc(C(F)(F)F)n5)nnc4c3)n2)cn1
assistant