[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=N][C][=Branch1][#Branch2][=N][C][=Branch1][Ring2][=N][Ring1][=Branch1][O][C][N][C][=Branch1][C][=O][N-1][S][=Branch1][C][=O][=Branch1][C][=O][C][=C][Branch1][#Branch2][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][I][C][=Branch1][C][=O][O][C].[Na+1]"}, {"from": "gpt", "value": "The molecule is a broad spectrum, post-emergence herbicide used throughout the world for treating wheat and other cereals. It is classified as an imidazolinone herbicide. Iodosulfuron-methyl-sodium inhibits the acetohydroxy acid synthase (AHAS) enzyme which is responsible for the synthesis of the branched chain amino acids valine, leucine, and isoleucine. When applied, Iodosulfuron-methyl-sodium halts weed growth which eventually kills the weed or causes the weed to die due to its incapability to compete with surrounding vegetation."}]