[{"from": "human", "value": "Provide a brief overview of 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 member of the class of cyclobutanes that is cyclobutane which carries a carboxy, amino and ((18)F)fluoro groups at positions 1, 1 and 3, respectively (the 1r,3r-stereoisomer). It is a positron emission tomography (PET) radiotracer for visualizing prostate cancer. It has a role as a radioactive imaging agent. It is a (18)F radiopharmaceutical, an alpha-amino acid, a member of cyclobutanes, a fluoroamino acid, a monocarboxylic acid and a primary amino compound."}]