[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a member of isochromenes."}, {"from": "gpt", "value": "[C][C][C][Branch2][Ring1][O][O][C][=C][C][Ring1][=Branch1][=C][Branch1][P][C][=Branch1][=N][=C][Branch1][Branch1][C][Ring1][=Branch1][=O][C][=Branch1][C][=O][O][O][C][C]"}]