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 gpr40 agonist and belongs to the anti diabetic class of molecules.
user
COc1ccc(F)c(-c2ccc(C3CCc4ccc(C(O)C(C)C(=O)O)cc4O3)nc2)c1
assistant