[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is an octuply-charged cyclic tetrapyrrole anion arising from global deprotonation of the carboxy groups of sirohydrochlorin; major species at pH 7.3. It has a role as a Saccharomyces cerevisiae metabolite and a cofactor. It is a conjugate base of a sirohydrochlorin."}, {"from": "gpt", "value": "[C][C@@][Branch2][Branch2][N][C@@H1][Branch2][#Branch1][P][C][=N][C][Ring1][Branch1][=C][C][=N][C][=Branch2][Branch1][=C][=C][C][=C][Branch2][Branch1][C][C][=Branch2][Ring2][#Branch1][=C][Branch1][Ring2][N][Ring1][Branch1][C][=C][C][=Branch2][Ring1][Ring2][=C][Branch1][O][C][=Branch1][Branch1][=C][Ring2][Ring1][Ring1][N][Ring1][=Branch1][C][C][=Branch1][C][=O][O-1][C][C][C][=Branch1][C][=O][O-1][C][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1][C@@][Branch1][N][C@@H1][Ring2][Ring2][Ring2][C][C][C][=Branch1][C][=O][O-1][Branch1][C][C][C][C][=Branch1][C][=O][O-1][C][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1]"}]