You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: The molecule is a parp inhibitor and belongs to the cancer treatment class of molecules.
user
O=C(C1CCC1)N1CCP(=O)(c2cc(Cc3n[nH]c(=O)c4ccccc34)ccc2F)CC1
assistant