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: It belongs to the oncological treatment class of molecules.
user
O=C1Nc2cc(Cl)ccc2CC12C(c1cccc(Cl)c1F)C(NCc1cc(Br)c(F)cc1[N+](=O)[O-])C(CO)N2CC1CC1
assistant