You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a ccr5 antagonist that is both anti viral and hiv treatment.
user
CC(=O)N1CCC(OC(=O)N(CCCN2CC3CN(C(=O)c4sccc4Cl)CC3C2)c2ccc(C)c(Cl)c2)CC1
assistant