You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a mek inhibitor and is proliferative disease treatment.
user
COC(=O)CCON=Cc1cc(C(=O)ONCCO)c(Nc2ccc(I)cc2F)c(F)c1F
assistant