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: It belongs to the lpa antagonist class of molecules.
user
COc1cc(C2CCC2)nc(NCc2c(-c3ccc(OC4CCCC(C(=O)O)C4)c(C)n3)nnn2C)n1
assistant