[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is under investigation in clinical trial NCT03265431 (Evaluation of PET/MR in Patients Selected for Ablation Therapy)."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][P+1][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][18F]"}]