[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an inorganic compound with the formula Co2O3 and is an oxide of cobalt. It is used as a catalyst. Cobalt is a metallic element with the atomic number 27. It is found naturally in rocks, soil, water, plants, and animals. In small amounts cobalt is an essential element for life, as it is part of vitamin B12. However, excess exposure is known to exhibit toxic effects. (L29, L30, L493)"}, {"from": "gpt", "value": "[O-2].[O-2].[O-2].[Co+3].[Co+3]"}]