[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][Branch2][Ring2][=Branch2][C][N][C][C][N][Branch2][Ring1][O][C][C][N][Branch1][S][C][C][N][Branch1][Branch1][C][C][Ring1][N][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1][O].[Gd+3]"}, {"from": "gpt", "value": "The molecule is a non-ionic gadolinium chelate having a macrocyclic tetraamine framework. It is used as a paramagnetic contrast agent in magnetic resonance imaging (MRI). It has a role as a MRI contrast agent."}]