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: The molecule is a chemokine receptor modulator and belongs to the chemokine receptor antagonist class of molecules.
user
Cn1sc(=O)c2cc(S(=O)(=O)Nc3cccc(SC(F)(F)F)c3)ccc21
assistant