[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@@][C][C][C@@H1][C@@H1][Branch1][P][C@H1][Ring1][=Branch1][C@][Branch1][#Branch1][C][C][C@H1][Ring1][#Branch2][O][Branch1][C][C][O][O][C][=Branch1][C][=O][C][Ring1][=C][=C]"}, {"from": "gpt", "value": "The molecule is a sesquiterpene lactone that is the 1beta-hydroxy derivative of arbusculin A. Isolated from Saussurea lappa, it exhibits inhibitory activity against melanogenesis. It has a role as a metabolite and a melanin synthesis inhibitor. It is a sesquiterpene lactone, a diol and an organic heterotricyclic compound. It is functionally related to an arbusculin A."}]