You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is pain treatment. Please write the SMILES representation of it.
user
NS(=O)(=O)c1cccc(NC(=O)c2cc(C(F)(F)F)cnc2N2CC3CC4CC(C3)CC2C4)c1
assistant