You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is cancer treatment.
user
CC1(CO)CNc2c(C#N)cc(-c3ccnc(Nc4cccnc4OC4CCCOC4)n3)cc21
assistant