[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@][C][C][C][C][Branch2][Ring2][=N][C@@H1][Ring1][=Branch1][C][C][C@@][Branch2][Ring2][Ring1][C@@H1][Ring1][#Branch2][C][C@H1][Branch2][Ring1][#Branch2][C@][Branch2][Ring1][Branch1][C@H1][Ring1][=Branch1][C][C@@H1][Branch1][=N][C][=C][C][=Branch1][C][=O][O][C@@H1][Ring1][=Branch1][Ring1][#Branch2][O][C][O][C][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is a scalarane sesterterpenoid isolated from the marine sponge Hyrtios erectus that exhibits antineoplastic activity. It has a role as a metabolite and an antineoplastic agent. It is a gamma-lactone, a secondary alcohol, an organic heteropentacyclic compound and a scalarane sesterterpenoid."}]