[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a heptaazaphenalene."}, {"from": "gpt", "value": "[C][=Branch2][Ring1][O][=N][C][=N][C][=Branch1][C][=N][N][=C][N][Ring1][#Branch1][C][=Branch1][=Branch2][=N][C][=Branch1][Ring2][=N][Ring1][=Branch1][N][N][Ring1][#C][N]"}]