You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? It belongs to the anti tussive class of molecules.
user
CC(=O)OC12CCC(NC(=O)C=Cc3ccoc3C)CC1(c1cccc(O)c1)CCN(CC1CC1)C2
assistant