[{"from": "human", "value": "Describe this molecule. [C@@H1][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][S][Branch1][=Branch1][C][=Branch1][C][=O][O][S].[C@@H1][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][S][Branch1][=Branch1][C][=Branch1][C][=O][O][S].[O][=99Tc+3]"}, {"from": "gpt", "value": "The molecule is a Radioactive Diagnostic Agent. The mechanism of action of technetium tc-99m succimer is as a Radiopharmaceutical Activity."}]