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 that fulfills the requirement: The molecule is anti tussive.
user
CC1(C)C2CCC1(CS(=O)(=O)O)C(=O)C2.OC1C(O)(CN2CCN(c3ccccc3)CC2)C12CCCCC2
assistant