[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C@H1][C@H1][C][N][C][=C][C][=C][C][=C][C][=C][C][Ring1][=Branch1][=N][C][Ring1][=Branch2][=C][Ring1][=N][C][C@@H1][Ring1][P][C][=Branch1][=Branch1][=C][O][Ring2][Ring1][Branch1][C][=Branch1][C][=O][O][C]"}, {"from": "gpt", "value": "The molecule is an indole alkaloid that is 18-oxayohimban dehydrogenated at positions 3, 4, 5, 6, 16 and 17 and substituted by a methyl group at the 19alpha position and by a methoxycarbonyl group at position 16. It is an indole alkaloid, a member of quinolizines, a carboxylic ester, an iminium betaine and a zwitterion. It is a conjugate base of a serpentine(1+). It derives from a hydride of a 18-oxayohimban."}]