[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is in the form of colorless crystals. Non corrosive. Used as a selective herbicide."}, {"from": "gpt", "value": "[C][C][C][C][Branch1][#C][C][Branch1][#Branch1][C][Ring1][=Branch1][O][Ring1][Branch1][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}]