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: The molecule is chemokine receptor modulator.
user
CCNCCN1CCCC(C2CN(c3cnc4c(C)nn(C(C)c5ccc(Cl)cc5Cl)c4n3)C2)C1
assistant