You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
It belongs to the pain treatment class of molecules. Use the above information to create a molecule.
user
Cc1ccc(CN2CCN(C(=O)OC(C(F)(F)F)C(F)(F)F)CC2)c(N2CCOC(C(=O)O)C2)c1
assistant