You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: It belongs to the chemokine receptor modulator class of molecules.
user
CCN(C(=O)Cc1ccc(F)c(F)c1)C1CCN(CC2CN(C(C(=O)O)C3CCCCC3)CC2c2ccccc2)CC1
assistant