[{"from": "human", "value": "Provide a description of this molecule. [C][/C][=C][\\C][C][/C][=C][\\C][Ring1][Branch2].[C][/C][=C][\\C][C][/C][=C][\\C][Ring1][Branch2].[Ni]"}, {"from": "gpt", "value": "The molecule is a chemical compound of nickel. It is a common source of Ni(0) in chemical synthesis. Nickel is a chemical compound with the atomic number 28. It is found abundantly in nature in laterite ore minerals, such as limonite, garnierite, and pentlandite. Nickel has a biological role and is found in certain enzymes, including urease, hydrogenase, methylcoenzyme M reductase, and carbon monoxide dehydrogenase. (L40, L41, L498)"}]