[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=N][C][=C][C][=C][C][=C][C][Ring1][=Branch1][=C][Branch1][Ring2][N][Ring1][=Branch2][N][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][Ring2][=N][Ring1][=Branch2][N][=C][Ring2][Ring1][#Branch2][N][Ring2][Ring1][Branch2]"}, {"from": "gpt", "value": "The molecule is a cyclic tripyrrole derivative that consists of three isoindole-type units, with the connecting carbon atoms replaced by nitrogen. The parent of the class of subphthalocyanines. It is a conjugate acid of a subphthalocyaninate(2-)."}]