[{"from": "human", "value": "What can you tell me about this molecule? [O][W][=Branch1][C][=O][=Branch1][C][=O][O].[Cd]"}, {"from": "gpt", "value": "The molecule is a chemical compound of cadmium and tungsten used mainly in the detection of gamma rays. Cadmium is a transition metal and chemical element with the symbol Cd and atomic number 48. It is found naturally in the earth's crust, though rarely on it's own. (L6, L473)"}]