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 anti tumour, anti cancer, and cancer treatment classes of molecules. Use the above information to create a molecule.
user
O=C1C2=C(CCN(Cc3cccc(Br)c3)C2)N2CCN=C2N1Cc1ccccc1Cl
assistant