You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
It belongs to the chemokine receptor antagonist class of molecules. Use the above information to create a molecule.
user
CCC(O)(C1CCC(Cl)CC1)C(C)(C)CNCCCC1C2CCCNC2COC2CCC(OCCO)CC21
assistant