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
CC(=O)NC1C(COP(=O)(O)CP(=O)(O)OCC2OC(n3cnc4c(N)ncnc43)C(O)C2O)OC(O)C1O
assistant