[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][/C][=Branch2][Ring2][=Branch1][=C][\\C][=C][\\C][=C][Branch1][C][/C][\\C][=C][\\C][=C][Branch1][C][/C][\\C][=C][\\C][=C][Branch1][C][/C][\\C][=C][\\C][=Branch1][C][=O][C][Branch1][C][C][Branch1][C][C][O][C][/C][=C][/C][=C][Branch1][C][\\C][/C][=C][/C][=C][Branch1][C][\\C][/C][=C][/C][Branch1][#Branch2][C][Branch1][C][C][Branch1][C][C][O][C][O]"}, {"from": "gpt", "value": "The molecule is a carotenoid ether that is spirilloxanthin substituted at positions 2 and 2' by oxo and hydroxy groups respectively. It is a carotenone, a carotenoid ether and a carotenol. It is functionally related to a spirilloxanthin."}]