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: It belongs to the gpr40 modulator class of molecules.
user
C=CC(C)(C)C(O)c1cc(CC)ccc1-c1cc(OC)ccc1F
assistant