You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: It belongs to the gpr40 modulator class of molecules. Please represent the molecule in SMILES.
user
CC(=O)CC(c1ccc(OCc2ccc(OC(F)(F)F)c(Br)c2)cc1)c1ccon1
assistant