You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
It belongs to the cancer treatment class of molecules. Use the above information to create a molecule.
user
O=C(O)C=Cc1ccc(F)c(-c2ccc(OCc3ccccc3)c(C34CC5CC(CC(C5)C3)C4)c2)c1
assistant