[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a chemical compound of chromium. Hexavalent chromium refers to chemical compounds that contain the element chromium in the +6 oxidation state. Chromium(VI) is more toxic than other oxidation states of the chromium atom because of its greater ability to enter cells and higher redox potential. (L16)"}, {"from": "gpt", "value": "[O-1][Cr][=Branch1][C][=O][=Branch1][C][=O][O-1].[Cr+2]"}]