You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is pain treatment.
user
O=C(CN1CCN(c2cccc3c2cnn3-c2ccccc2F)C1=O)N1CCC(C(F)F)C1
assistant