[{"from": "human", "value": "Generate a molecule based on this description. The molecule is an organic heterotricyclic compound and an oxacycle."}, {"from": "gpt", "value": "[C][C][=C][C][=Branch1][C][=O][C][=C][Branch1][Ring2][O][Ring1][#Branch1][C][=C][C][=Branch1][Branch1][=C][Ring1][#Branch1][O][C][=C][O][Ring1][#Branch1]"}]