You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: It belongs to the chemokine receptor modulator class of molecules.
user
CC1CN(CCCN2CCCCC2)C(=O)CCN1C(=O)C=Cc1ccc(Cl)c(Cl)c1
assistant