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 ra inhibitor and belongs to the cancer treatment class of molecules.
user
CC1CN(c2c([N+](=O)[O-])cnc3c(F)c(Br)c(Cl)cc23)C(CO)CN1C(=O)O
assistant