You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule is a chemokine receptor modulator.
user
O=C(O)C(c1ccccc1)N1CCOC(CN2CCC(Oc3ccc(Cl)c(Cl)c3)CC2)C1
assistant