You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a member of the gpr40 agonist class and affects diabetes treatment.
user
O=C(O)CC(C1=NCCO1)c1ccc(OCC2CCCC3(CCCCC3)C2)cc1
assistant