[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a member of phthalazines."}, {"from": "gpt", "value": "[C][C][=Branch1][P][=N][N][C][=N][N][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][#Branch2][C]"}]