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": ""}
  L.     Y4j0N -83.75333 potamogetonaceae  %om   sj7 NATANS MICHIGAN M?|  POTAMOGETON NATANS ( g    t /5 42.42682  United States iY|7   VvR 121298 30 oXQ>      N Alismatales  FRANCES L. STEARNS Kx<R(  Whitmore Lake   nto   (^+,3 potamogeton    ^( washtenaw   1920-08-08   4=) 
{"catalogNumber": "1281298", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton natans", "scientificNameAuthorship": "L.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "natans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frances L. Stearns", "recordNumber": "30", "verbatimEventDate": "1920-08-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Whitmore Lake", "decimalLatitude": "42.42682", "decimalLongitude": "-83.75333", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}