You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule is a ccr5 antagonist and belongs to the hiv treatment class of molecules.
user
COc1ccc(C(CCN2C3CCC2CC(n2c(C)nnc2C(C)C)C3)NC(O)CC#N)s1
assistant