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
COC1CN(c2ncc3c(n2)CCC(NC(=O)c2sc4nc(C)cc(C)c4c2N)C3)CC1N
assistant