[{"from": "human", "value": "Please give me some details about this molecule. [H+1].[H+1].[C][Branch1][P][C][N][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1][N][Branch2][Ring1][C][C][C][N][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1].[Gd+3]"}, {"from": "gpt", "value": "The molecule is a Paramagnetic Contrast Agent. The mechanism of action of gadopentetic acid is as a Magnetic Resonance Contrast Activity."}]