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
NC(=O)c1ccc(Oc2ccc(CN3CCC(N4C(=O)N(C5CCCCC5)CC4c4ccccc4)CC3)cn2)cc1
assistant