[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a hydroxycoumarin."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][O][C][=C][Branch1][S][C][=C][C][=C][C][=Branch1][C][=O][O][C][Ring1][#Branch1][=C][Ring1][O][O]"}]