[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a steroid alkaloid isolated from Wrightia javanica and has been shown to exhibit antineoplastic activity. It has a role as a metabolite and an antineoplastic agent. It is a steroid alkaloid, an organic heteropentacyclic compound, a primary amino compound and an organonitrogen heterocyclic compound."}, {"from": "gpt", "value": "[C][C@H1][C@H1][C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][=Branch2][C][C][C@H1][C@H1][Ring1][=Branch1][C][C][C@@H1][C@@][Ring1][=Branch1][Branch1][#Branch2][C][C][C@@H1][Branch1][Ring2][C][Ring1][=Branch1][N][C][C][=N][Ring2][Ring1][=Branch1]"}]