You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a cancer treatment. Use the above information to create a molecule.
user
O=C(NCCCn1cc(-c2cccc(F)c2)c2c(CN3CCN(CCOc4ccc(Cl)cc4)CC3)cccc21)C1(NCc2ccc(OCc3ccc(F)cc3)c(Cl)c2)CCNCC1
assistant