[{"from": "human", "value": "Provide a description of this molecule. [C][Branch2][Ring1][#Branch1][C][N][Branch1][#Branch2][C][P][=Branch1][C][=O][Branch1][C][O][O-1][C][P][=Branch1][C][=O][Branch1][C][O][O-1][N][Branch1][#Branch2][C][P][=Branch1][C][=O][Branch1][C][O][O][C][P][=Branch1][C][=O][Branch1][C][O][O-1].[153Sm+3]"}, {"from": "gpt", "value": "The molecule is a radioactive medication used to treat pain caused by cancer that has spread to the bone. It is a radiopharmaceutical. Radiopharmaceuticals are radioactive agents that may be used to diagnose some diseases by studying the function of the body's organs or to treat certain diseases.Samarium Sm 153 lexidronam is used to help relieve the bone pain that may occur with certain kinds of cancer. The radioactive samarium is taken up in the bone cancer area and gives off radiation that helps provide relief of pain."}]