[{"from": "human", "value": "Generate a molecule based on this description. The molecule is an isochromane that is mellein bearing an additional hydroxy substituent at the 6-position. It is functionally related to a mellein."}, {"from": "gpt", "value": "[C][C@@H1][C][C][=C][Branch1][=N][C][=Branch1][=Branch2][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][O][C][=Branch1][C][=O][O][Ring1][=N]"}]