[{"from": "human", "value": "Describe this molecule. [C][C][=Branch1][C][=O][O][C@@H1][C][C@@H1][C@][Branch2][Branch1][Ring1][C][C][C][C][Branch2][Ring2][Branch2][C@@H1][Ring1][=Branch1][C][C][C@][Ring1][#Branch2][Branch2][Ring1][N][C@H1][C@][Ring1][=C][Branch2][Ring1][Ring2][C@@H1][C][=Branch1][=Branch2][=C][C][=Branch1][C][=O][O][Ring1][=Branch1][C@H1][Branch1][Ring2][C][Ring1][#Branch2][O][C][C][Branch1][C][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 an acetate ester, a secondary alcohol, a gamma-lactone, an organic heteropentacyclic compound and a scalarane sesterterpenoid."}]