[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=Branch1][C][=O][N][Branch1][Branch2][C][C][Branch1][Ring1][C][O][O][C][=C][Branch2][Ring2][Branch1][C][=Branch2][Ring1][=Branch2][=C][Branch2][Ring1][Ring2][C][=Branch1][Branch1][=C][Ring1][=Branch1][I][C][=Branch1][C][=O][N][C][C][Branch1][Ring1][C][O][O][I][C][=Branch1][C][=O][N][C][C][O][I]"}, {"from": "gpt", "value": "The molecule is a tri-iodinated diagnostic contrast agent. Intravascular injection results in opacification of vessels in the path of flow of the contrast medium, permitting radiographic visualization of the internal structures of the human body until significant hemodilution occurs."}]