You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): It belongs to the chemokine receptor antagonist class of molecules.
user
CC(C)(C)OC(=O)N1CCC2(CC1)CCN(C(=O)c1ccccc1C=CC(N)=O)CC2
assistant