You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a gpr40 agonist.
user
O=C(O)COC1(c2ccc(OCc3cccc(-c4nc(CO)cs4)c3)cc2)COC1.[Ca]
assistant