You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a cardiovascular treatment and belongs to the pgd2 receptor antagonist class of molecules.
user
CC(C)(O)c1ccc(Br)c(CCCNC(=O)OCc2ccccc2)c1
assistant