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: It belongs to the cancer treatment class of molecules.
user
COCC(C)(OCC1OC(n2ncc3c(NC4CCCC4)cc(Cl)nc32)C(O)C1O)P(=O)(O)O
assistant