You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
It belongs to the lpa antagonist class of molecules. Use the above information to create a molecule.
user
COc1cnc(NCc2c(-c3ccc(OC4CCCC(C(=O)O)C4)c(C)n3)nnn2C)nc1C(C)(C)C
assistant