You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a cb1 antagonist.
user
CCOC(=O)N1CCN(c2ccc(Cl)cc2Cl)C(c2ccc(Cl)cc2)C1CC#N
assistant