[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][C][=Branch1][C][=O][O][C@@H1][C][C@H1][C@][Branch2][Ring2][P][C@@H1][Branch2][Ring2][N][C@H1][Branch2][Ring2][C][C@@H1][Branch2][Ring1][=N][C@][Ring1][=Branch1][C@@H1][Branch1][P][O][C@@H1][Branch1][#Branch1][C][Ring1][Branch1][=C][Ring1][=N][O][C][=Branch1][C][=O][C][O][C][=Branch1][C][=O][C][O][O][C][=Branch1][C][=O][C][C][Branch1][C][C][C][C][C][=Branch1][C][=C][C][=C]"}, {"from": "gpt", "value": "The molecule is a diterpenoid of the clerodane group isolated from the leaves and flowers of Casearia nigrescens. It exhibits cytotoxicity against A2780 human ovarian cancer cell line. It has a role as a metabolite and an antineoplastic agent. It is a diterpenoid, an acetate ester, a butyrate ester, a cyclic ether, a secondary alcohol and an organic heterotricyclic compound."}]