You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a mek inhibitor and belongs to the cancer treatment class of molecules. Use the above information to create a molecule.
user
O=C(NOCCO)c1cc2c(ncn2CC2CCC2)c(P)c1Nc1ccc(Br)cc1Cl
assistant