[{"from": "human", "value": "Provide a brief overview of this molecule. [C][N][C][=C][Branch2][Ring1][O][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=N][C][=C][Branch1][Ring2][S][Ring1][Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][#Branch1][O][18F]"}, {"from": "gpt", "value": "The molecule is a Radioactive Diagnostic Agent. The mechanism of action of flutemetamol f-18 is as a Radiopharmaceutical Activity."}]