[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a hydrochloride. It contains an alprenolol."}, {"from": "gpt", "value": "[H+1].[C][C][Branch1][C][C][N][C][C][Branch1][=C][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][=C][O].[Cl-1]"}]