You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a chemokine receptor modulator. Please write the SMILES representation of it.
user
Nc1cccc(C2(C(=O)N3CCc4ncc(C(F)(F)F)cc4C3)CCC(N3CCC(C(=O)O)CC3)C2)c1
assistant