You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a cb2 agonist and is pain treatment.
user
NOC(=O)N1CCN(c2ncccc2-c2nc(-c3cccc(Cl)c3)no2)CC1
assistant