You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: It belongs to the pain treatment class of molecules.
user
Cn1cnc2c(C#N)nn(Cc3nn(CCc4ccc(Cl)cc4)c(=O)o3)c2c1=O
assistant