You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule is a tachykinin antagonist and is pain treatment.
user
CS(=O)(=O)[N+]1(NC(=O)C(COCc2ccc(Cl)c(Cl)c2)NCc2ccccc2)CC2(CCNCC2)c2ccccc21
assistant