[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C][=Branch1][#Branch2][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][Cl][Cl][O][C][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a selective systemic phenoxy herbicide used to control many annual and perennial broadleaf weeds in alfalfa, peanuts, soybeans, and other crops. Its active metabolite, 2,4-D, inhibits growth at the tips of stems and roots. It is classified in toxicity class III."}]