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
O=C1CCC2(OCC3CC3)C3Cc4ccc(O)c5c4C2(CC[N+]3([O-])CC2CC2)C1O5
assistant