[{"from": "human", "value": "Provide a description of this molecule. [C][C][=C][C][=C][Branch1][Ring2][N][Ring1][Branch1][/C][=C][/C][=C][/C][=Branch2][Ring1][=Branch1][=C][/C][=N][/C][=Branch1][N][=C][\\C][=C][C][=C][Ring2][Ring1][Ring2][N][Ring1][Branch1][/C][=C][Ring1][O][/N][\\-Ring1][P]"}, {"from": "gpt", "value": "The molecule is an isoporphyrin."}]