You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? It belongs to the pain treatment class of molecules.
user
Cc1nnc(CNCc2c(C)nn3c(C4CCCN(Cc5ccc(Cl)cc5)C4)ccnc23)o1
assistant