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 gpr40 modulator. Please represent the molecule in SMILES.
user
CCCc1ccc(-c2cc(C(F)F)ccc2F)c(C2CCCC2(C)C)c1
assistant