[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule has been used in trials studying the diagnostic of Liver Mass, Liver Diseases, Liver Metastasis, Portal Hypertension, and Peripheral Artery Disease. It is a cardiovascular drug designed to enable ultrasound to compete more effectively with nuclear stress testing; currently the leading procedure for detecting coronary heart disease."}, {"from": "gpt", "value": "[C][Branch1][S][C][Branch1][=Branch2][C][Branch1][C][F][Branch1][C][F][F][Branch1][C][F][F][Branch1][=Branch2][C][Branch1][C][F][Branch1][C][F][F][Branch1][C][F][F]"}]