[{"from": "human", "value": "Could you provide a description of this molecule? [C][C@@][C][C][=Branch1][C][=O][N][C@@][Ring1][=Branch1][C][C@H1][C@H1][Branch2][Branch2][Ring1][C@][Branch2][#Branch1][=Branch1][C][=Branch1][Ring2][=N][Ring1][Branch1][C][C@@H1][C@H1][Branch2][=Branch1][Ring2][C@@H1][C][C][C][=Branch1][C][=O][/C][=Branch2][Ring2][P][=C][\\C@H1][Branch2][Ring2][Branch1][C@@H1][Branch2][Ring1][O][/C][=Branch2][Ring1][Ring2][=C][/C][=Branch1][Branch1][=N][Ring2][Ring1][#Branch1][C@H1][Ring2][Ring1][=N][C][C][C][=Branch1][C][=O][O][/N-1][/-Ring1][=C][C][C][=Branch1][C][=O][O][C][C][C][=Branch1][C][=O][O][/C][Ring2][Ring1][=C][=N][Ring2][Ring1][P][C][C][=Branch1][C][=O][O][Branch1][C][C][C][C][=Branch1][C][=O][N][C][C][C][=Branch1][C][=O][O].[Ni]"}, {"from": "gpt", "value": "The molecule is a nickel tetrapyrrole found only in methanogenic Archaea. It is the prosthetic group of the enzyme methyl coenzyme M reductase which catalyses the release of methane in the final step of methanogenesis. It has a role as a prosthetic group and a cofactor. It is a conjugate acid of a coenzyme F430(5-)."}]