[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@H1][C@@H1][C][C][C@@][Branch2][Ring1][#Branch1][C@H1][Branch2][Ring1][C][C][C][C][=Branch1][C][=C][C@H1][Ring1][#Branch1][C@@H1][Ring1][O][O][C][Ring1][=C][=O][O][C]"}, {"from": "gpt", "value": "The molecule is a eudesmane sesquiterpenoid in which the eudesmane skeleton is substituted with an alpha-hydroxy group at C-1 (eudesmane numbering) and a methylidene group at C-4, and includes a lactone ring formed between C-12 and a beta-hydroxy group at C-6. It is isolated from Eunicea sp. and exhibits significant inhibitory effect upon the growth of the malarial parasite Plasmodium falciparum It has a role as a metabolite and an antimalarial. It is a eudesmane sesquiterpenoid, an organic heterotricyclic compound, a gamma-lactone and a secondary alcohol."}]