You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a cancer treatment.
user
CNC(=O)C1(CC(F)F)CCC(Nc2ncc3c(Br)nn(-c4ccc5ncncc5c4)c3n2)C1
assistant