You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule is a cancer treatment.
user
CP(=O)(O)OOCC1OC(c2c(Br)sc3c(N4CC5CCCC5C4)nc(Cl)nc23)C(O)C1O
assistant