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
CC(=O)N1CC(NCCCN(CCC(N)C(=O)O)CC2OC(n3cnc4c(N)ncnc43)C(O)C2O)C1
assistant