[{"from": "human", "value": "Provide a brief overview of this molecule. [C][N][C][C][C@@][C][C][C][C][C@@H1][Ring1][=Branch1][C@@H1][Ring1][#Branch2][C][C][=C][Ring1][#Branch2][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C].[O].[Br]"}, {"from": "gpt", "value": "The molecule is the hydrobromide and monohydrate of the antitussive drug dextromethorphan. It is a hydrate and a hydrobromide. It contains a dextromethorphan."}]