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: The molecule is a gpr40 modulator. Please represent the molecule in SMILES.
user
COC(=O)c1cc(C2=CCCC2(C)C)c(OC(CC(F)(F)F)C(=O)C=O)cc1F
assistant