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 ezh2 inhibitor and belongs to the cancer treatment class of molecules.
user
CCNc1cc(Cl)cc(C(=O)NCc2c(C)n3[nH]c(C)nc3cc2=O)c1C
assistant