[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is used as an opioid antitussive in combination with [DB11610]. It is marketed in Canada by Valeant under the tradename Cophylac."}, {"from": "gpt", "value": "[C][C][C][=Branch1][C][=O][C][Branch1][Branch2][C][C][N][Branch1][C][C][C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1]"}]