[{"from": "human", "value": "Could you provide a description of this molecule? [C][11C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is under investigation in clinical trial NCT01953965 (Look at Way the Heart Functions in People With Pulmonary Hypertension (PH) Who Have Near Normal Right Ventricle (RV) Function and People With Pulmonary Hypertension Who Have Impaired RV Function. Using Imaging Studies PET Scan and Cardiac MRI.)."}]