[{"from": "human", "value": "Provide a description of this molecule. [C][C][=C][Branch2][Branch2][Branch2][C][=Branch2][#Branch1][=C][=C][Branch1][Ring2][N][Ring1][Branch1][C][C][=C][Branch2][=Branch1][O][C][=Branch2][Branch1][P][=C][Branch1][Ring2][N][Ring1][Branch1][C][C][=C][Branch2][Ring2][=C][C][=Branch2][Ring2][Ring2][=C][Branch1][Ring2][N][Ring1][Branch1][C][C][=C][Branch2][Ring1][C][C][=Branch1][Branch2][=C][Ring2][Ring1][#Branch1][N][Ring1][Branch1][C][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1][C][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1][C][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an octacarboxylic acid anion obtained by deprotonation of all eight carboxy groups of uroporphyrinogen III. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a cyclic tetrapyrrole anion and an octacarboxylic acid anion. It is a conjugate base of a uroporphyrinogen III."}]