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: It belongs to the chemokine receptor antagonist class of molecules. Please write the SMILES representation of it.
user
Cn1c(=O)ccc2ccc(CN3CCC(CC4CC4)(C(=O)NCc4cncc(C(F)(F)F)c4)C3)cc21
assistant