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: The molecule is a ccr5 antagonist and is hiv treatment.
user
Cc1ccc(C2(CCN3C4CCC3CC(n3c(C)nc5ccccc53)C4)CCN(C(=O)c3cccc(C(=O)O)c3)CC2)cc1
assistant