[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][O][C][=Branch1][C][=O][C][Branch2][Ring2][Ring2][C][C][=C][C][=Branch1][#Branch2][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][Cl][F][N][C][=Branch1][C][=O][N][Branch1][Branch2][C][=Branch1][Ring2][=N][Ring1][=Branch1][C][C][Branch1][C][F][F][Cl]"}, {"from": "gpt", "value": "The molecule is a contact herbicide used to control broadleaf and sedge weeds in cereals.\u00a0 The mode of action of carfentrazone-ethyl is the disruption of membranes by inhibiting the action of protoporphyrinogen oxidase, causing cell death.\u00a0 Carfentrazone is non-selective, and can be used for complete vegetation control, as well as as a desiccant and a defoliant in some crops.\u00a0\u00a0"}]