[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is the parent compound of the xanthone class consisting of xanthene bearing a single oxo substituent at position 9. It has a role as an insecticide."}, {"from": "gpt", "value": "[C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][O][Ring1][N]"}]