[{"from": "human", "value": "Provide a description of this molecule. [C][C@H1][Branch1][#Branch1][/C][=Branch1][Ring1][=N][/O][/C][N-1][C][C][Branch1][C][C][Branch1][C][C][C][N-1][C@H1][Branch1][C][C][/C][=Branch1][Ring1][=N][/O-1][/C].[O][=99Tc+3]"}, {"from": "gpt", "value": "The molecule is a Radioactive Diagnostic Agent. The mechanism of action of technetium tc-99m exametazime is as a Radiopharmaceutical Activity."}]