[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][N][C][=Branch1][C][=O][C][=C][C][=C][Branch1][Ring2][O][Ring1][Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][N][=C][Ring1][O][C]"}, {"from": "gpt", "value": "The molecule is an organonitrogen heterocyclic compound, an organic heterotricyclic compound and an oxacycle."}]