[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C][Branch1][Ring1][C][C][N][C][=C][Branch2][Ring1][C][C][=C][Branch1][=N][C][=Branch1][=Branch2][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][C][C][N+1][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a preemergent herbicide used to prevent crabgrass from germinating. Pendimethalin was included in a biocide ban proposed by the Swedish Chemicals Agency and approved by the European Parliament in January 13, 2009 (L800)."}]