[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule has been used in trials studying the diagnostic and treatment of Free Flap, Oral Cancer, Hypotension, Septic Shock, and Head and Neck Cancer."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C][N][C][C][C][C][C][C][N][C][C][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O]"}]