You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a mek inhibitor.
user
Cn1c(Nc2ccc(Br)cc2F)c(C(=O)NOCC(O)CO)c2c1C(=O)CC2
assistant