[{"from": "human", "value": "Provide a description of this molecule. [C][Branch2][Ring1][Ring1][C@H1][Branch1][#C][C@H1][Branch1][O][C@@H1][Branch1][#Branch1][C@H1][Branch1][Ring1][C][=O][18F][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a positron emitting radiopharmaceutical containing no-carrier added radioactive 2-deoxy-2-[18F]fluoro-D-g1ucose, which is used for diagnostic purposes in conjunction with Positron Emission Tomography (PET). It is administered by intravenous injection."}]