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 that fulfills the requirement: The molecule is a anti tumor agent.
user
O=C(Nc1cc(-c2cccnc2)cc(C(F)(F)F)c1)Nc1ccc(Oc2ccnc(NC(=O)C3CC3)c2)c(F)c1
assistant