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 a anti tussive.
user
CC(=O)OC1CC(NC(=O)Cc2ccc(Cl)c(Cl)c2)CC2(c3cccc(O)c3)CCN(CC3CC3)CC12
assistant