[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a fluoride of cobalt. 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)"}, {"from": "gpt", "value": "[F][Co][Branch1][C][F][F]"}]