You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: It belongs to the chemokine receptor antagonist class of molecules.
user
Cn1c(=O)ccc2ccc(CN3CCC(C(=O)NCc4cc(C(F)(F)F)cc(C(F)(F)F)c4)(C4CC4)CC3)cc21
assistant