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.
user
COC(=O)CC1COc2cc(OC3CCc4c(-c5c(C)cc(-c6ccncn6)cc5C)ccc(F)c43)ccc21
assistant