[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is being tested for efficacy as an antineoplastic agent and as an antiparasitic agent against pneumocystis pneumonia in AIDS patients. Myelosuppression is its dose-limiting toxic effect. "}, {"from": "gpt", "value": "[C][C][=C][Branch2][Ring1][Ring1][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][=Branch2][=N][C][=Branch1][Ring2][=N][Ring1][=Branch1][N][N][C][N][C][=C][C][=Branch1][=C][=C][Branch1][=Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][O][C][O][C]"}]