You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: It belongs to the lpa antagonist class of molecules.
user
Cc1nc(-c2nnn(C)c2COC(=O)N(C)CC2CCC2)ccc1OCC12CCC(C(=O)O)(C1)C2
assistant