[{"from": "human", "value": "Please give me some details about this molecule. [C][N][C][=N][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][/C][=C][/C][=C][/C][=N][C][=C][Branch1][Ring2][S][Ring1][Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][#Branch1][O][C][C][Branch1][Ring1][C][18F][O]"}, {"from": "gpt", "value": "The molecule is under investigation in clinical trial NCT04305210 (Alzheimer's Disease: Clinical Investigation and Neuroimage Studies Including 18F-PM-PBB3 and 18f-florbetapir (AV-45) PET Examination)."}]