[{"from": "human", "value": "Provide a description of this molecule. [C][/C][=C][/C][=N+1][C][C][C][=C][Branch2][Ring1][Ring1][C@@H1][Ring1][=Branch1][C][C@@H1][\\-Ring1][#Branch2][/C][=Branch1][Ring1][=C][/O][/C][=Branch1][C][=O][O][C][N][C][=C][C][=C][C][=C][Ring2][Ring1][Ring1][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is an indole alkaloid that is the enol tautomer of geissoschizine, which is also dehydrogenated at the 4,21-position. It is functionally related to a (19E)-geissoschizine."}]