[{"from": "human", "value": "Could you give me a brief overview of this molecule? [O][=Ni]"}, {"from": "gpt", "value": "The molecule is an oxide of nickel. It occurs rarely as the mineral bunsenite and is often produced as an intermediate in the production of nickel alloys. 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, L46)"}]