[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a fluoride of cobalt. It can be used as a catalyst to alloy metals and for optical deposition. 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, L489)"}, {"from": "gpt", "value": "[F][Co][F]"}]