[{"from": "human", "value": "Could you give me a brief overview of this molecule? [O][=Mn]"}, {"from": "gpt", "value": "The molecule is an oxided of manganese. It occurs in nature as the rare mineral manganosite. Manganese is a naturally occurring metal with the symbol Mn and the atomic number 25. It does not occur naturally in its pure form, but is found in many types of rocks in combination with other substances such as oxygen, sulfur, or chlorine. Manganese occurs naturally in most foods and small amounts are needed to stay healthy, as manganese ions act as cofactors for a number of enzymes. (L228, L229, L235)"}]