[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][C@][C][C][=Branch2][Ring2][#Branch2][=C][C@@][Branch2][Ring1][Ring1][C@H1][Ring1][=Branch1][N][Branch1][Branch1][C][C][Ring1][Branch1][C][=Branch1][C][=O][C][=C][Ring1][=N][C][=C][C][=Branch1][=N][=C][Branch1][Branch2][C][=C][Ring1][=Branch1][N][Ring1][P][O][C][O][C][=Branch1][C][=O][O][C]"}, {"from": "gpt", "value": "The molecule is an indole alkaloid that is jerantinine A substituted with an oxo group at position 13. Isolated from Tabernaemontana corymbosa, it exhibits cytotoxicity against human KB cells. It has a role as a metabolite and an antineoplastic agent. It is an alkaloid ester, an aromatic ether, an indole alkaloid, a lactam, a member of phenols, an organic heteropentacyclic compound and a methyl ester. It is functionally related to a jerantinine A."}]