[{"from": "human", "value": "Please give me some details about this molecule. [C][C][Branch1][=N][C][C][Ring1][Ring2][Branch1][=Branch1][C][=Branch1][C][=O][O][N][18F]"}, {"from": "gpt", "value": "The molecule is a Radioactive Diagnostic Agent. The mechanism of action of fluciclovine f-18 is as a Positron Emitting Activity."}]