You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a mek inhibitor and belongs to the cancer treatment class of molecules.
user
CCCc1cc(CCC)c(S(=O)(=O)OC(CC2OCCO2)C2(O)CN(C(=O)c3ccc(F)c(F)c3Nc3ccc(I)cc3F)C2)c(CCC)c1
assistant