[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a dichlorobenzene carrying chloro groups at positions 1 and 4. It has a role as an insecticide."}, {"from": "gpt", "value": "[C][=C][C][=Branch1][#Branch1][=C][C][=C][Ring1][=Branch1][Cl][Cl]"}]