[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule has been used in trials studying the treatment of Hypoxia, Radiotherapy, Hypoxic Modification, Gene Profile, Gene Signature, and Head and Neck Squamous Cell Carcinoma, among others."}, {"from": "gpt", "value": "[C][C][O][C][C][N][Ring1][=Branch1][C][C][N][C][=N][C][=C][Ring1][Branch1][N+1][=Branch1][C][=O][O-1]"}]