Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
potamogeton praelongus 6      %$atu 1281610   f DEEP WATER   aY whitmore lake [STIPULES POORLY DEVELOPED] ;S/hN   ALISMATALES   wulfen  &%0    r michigan  Q^?< UNITED STATES 1920-08-24 y  39 Xe`1  Washtenaw sN2     %l e= PRAELONGVS  | 42.42682  frances l. stearns ^Ho~(   
{"catalogNumber": "1281610", "order": "Alismatales", "family": "", "scientificName": "Potamogeton praelongus", "scientificNameAuthorship": "Wulfen", "genus": "", "subgenus": "", "specificEpithet": "praelongus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frances L. Stearns", "recordNumber": "39", "verbatimEventDate": "1920-08-24", "habitat": "Deep Water", "occurrenceRemarks": "[stipules poorly developed]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Whitmore Lake", "decimalLatitude": "42.42682", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}