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? It belongs to the pain treatment class of molecules.
user
CCN1CC2(COC)C(O)CC(OC)C34CC5C6=C(C)C6(O)C(OC)C(O)C5(OC(C)=O)C(C(OC)C23)C14
assistant