[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a chemical compound of manganese. Its aqueous solutions are used as etchants in printed circuitry. 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, L243)"}, {"from": "gpt", "value": "[O-1][Mn][=Branch1][C][=O][=Branch1][C][=O][=O].[Na+1]"}]