You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule is a gpr40 modulator.
user
COc1ccc(F)c(-c2cc(COc3ccc4c(c3)C(CC(=O)O)CC4)ccc2C(C)(C)C)c1
assistant