[{"from": "human", "value": "Provide a description of this molecule. [C][N][C][=Branch1][O][=C][N][=C][Ring1][Branch1][N+1][=Branch1][C][=O][O-1][C][O][P][=Branch1][C][=O][Branch1][Branch1][N][C][C][Br][N][C][C][Br]"}, {"from": "gpt", "value": "The molecule is a novel cancer therapeutic specifically activated under the low oxygen or \"hypoxic\" conditions typical of solid tumor cancer cells. TH-302 is a nitroimidazole-linked prodrug of a brominated derivative of an isophosphoramide mustard previously used in cancer drugs such as ifosfamide, cyclophosphamide, and glufosfamide. TH-302 has been shown, in preclinical studies, to be both efficacious and well tolerated."}]