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": ""}
   & $Gu 1921-08-12  qq_F potamogetonaceae   JOHN H. EHLERS __W   xNhO 45.580949  1759 e   T  1280795   _B -84.696261  MICHIGAN E`4G    douglas lake j1   )  United States gramineus 5    Shallow wated, Sedge Point !6*!M  cheboygan dv /   M l.  w`  Potamogeton gramineus ALISMATALES ~  potamogeton +uOI 
{"catalogNumber": "1280795", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton gramineus", "scientificNameAuthorship": "L.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "gramineus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "1759", "verbatimEventDate": "1921-08-12", "habitat": "Shallow wated, Sedge Point", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "Douglas Lake", "decimalLatitude": "45.580949", "decimalLongitude": "-84.696261", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}