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: It belongs to the anti tussive class of molecules.
user
CC(C)CN(C(=O)c1ccccc1)C1CCC2(O)CN(CC3CC3)CCC2(c2cccc(O)c2)C1
assistant