[{"from": "human", "value": "Provide a description of this molecule. [C][C@][C][C][C][C@@][Branch2][Ring1][#Branch1][C@@H1][Ring1][=Branch1][C@@H1][C@@H1][Branch1][Branch1][C][C][Ring1][#Branch2][C][=Branch1][C][=C][C][=Branch1][C][=O][O][Ring1][=Branch2][Branch1][C][C][O]"}, {"from": "gpt", "value": "The molecule is a sesquiterpene lactone isolated from Saussureae Radix and has been shown to exhibit inhibitory activity against melanogenesis. It has a role as a melanin synthesis inhibitor and a metabolite. It is an organic heterotricyclic compound, a sesquiterpene lactone and a tertiary alcohol."}]