You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is chemokine receptor modulator.
user
CCOc1ccc(CN2CCC3(CCN(CCC(NC(=O)C(C)C)c4ccccc4)CC3)C2=O)cc1.Cl
assistant