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 a anti tumor that impacts cancer treatment.
user
Cn1c(=O)c(C#N)c(N2CCN(Cc3ccccc3NC(=O)O)CC2)c2nc(Br)ccc21
assistant