[{"from": "human", "value": "What can you tell me about 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 with formula C21H20N2O3, isolated from several Rauvolfia species and exhibits antipsychotic activity. It has a role as an antipsychotic agent. It is a methyl ester, an organic heteropentacyclic compound, a zwitterion and an indole alkaloid. It is a conjugate base of an alstonine(1+)."}]