You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
It belongs to the cancer treatment class of molecules. Use the above information to create a molecule.
user
CCc1nc2c(N)ncnc2n1C1OC(CN(C)CCCN)C(O)C1O.O=S(=O)(O)O
assistant