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: It impacts cancer treatment.
user
Cn1ncc2c(F)cc(-c3c(-c4cccc(F)c4)nc(N)c4nccn34)cc21
assistant