[{"from": "human", "value": "Please give me some details about this molecule. [C][Branch1][C][O][Branch1][=Branch2][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O].[99Tc]"}, {"from": "gpt", "value": "The molecule is a Radioactive Diagnostic Agent. The mechanism of action of technetium tc-99m oxidronate is as a Radiopharmaceutical Activity."}]