[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a yohimban alkaloid with formula C21H22N2O3, produced by Catharanthus roseus and Rauvolfia serpentina plant species. It has a role as a plant metabolite. It is a yohimban alkaloid, an organic heteropentacyclic compound and a methyl ester."}, {"from": "gpt", "value": "[C][C@H1][C][=C][N][C][C][C][=C][Branch2][Ring1][Branch1][C@@H1][Ring1][=Branch1][C][C@@H1][Ring1][#Branch2][C][=Branch1][Branch1][=C][O][Ring1][=C][C][=Branch1][C][=O][O][C][N][C][=C][C][=C][C][=C][Ring2][Ring1][Ring1][Ring1][=Branch1]"}]