You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a mek inhibitor.
user
CCC(CO)N=C(N)c1c(Nc2ccc(Oc3cc(F)cc(F)c3)cc2C)s[nH]c1=O
assistant