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 a chemokine receptor modulator.
user
CC1CN(C2CCC(c3ccc(-c4nc5ccc(Cl)cc5[nH]4)cc3)C2)CCC12C=Cc1ccccc12
assistant