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(N1CCOCC1)N1CCC2(S(=O)(=O)c3ccccc3)c3ccc(OCc4c(Cl)cccc4Cl)cc3CCC12
assistant