[{"from": "human", "value": "Generate a molecule based on the given description. The molecule are polycyclic compounds containing an isoindole moiety, which is structurally characterized by a cyclohexadiene fused to a pyrrole ring. It is a nonsystemic foliar agricultural fungicide, especially for potatoes."}, {"from": "gpt", "value": "[C][C][=C][C][C][C][Ring1][=Branch1][C][=Branch1][C][=O][N][Branch1][Branch1][C][Ring1][=Branch1][=O][S][C][Branch1][=Branch1][C][Branch1][C][Cl][Cl][Branch1][C][Cl][Cl]"}]