[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][O][C][=C][Branch2][Ring1][Branch2][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][O][=C][C][=C][O][C][Ring1][Branch1][=N][Ring1][#Branch2][O][C][O][C]"}, {"from": "gpt", "value": "The molecule is an oxacycle, an organic heterotricyclic compound and an organonitrogen heterocyclic compound."}]