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 belongs to the cancer treatment class of molecules.
user
Cn1c(CC(=O)O)ccc1C(=O)c1ccc(Cl)c(Br)c1
assistant