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": ""}
   `@u  potamogetonaceae 1.B  ; 5    %4_S vã¤rmland NO DATA v   polygonifolius /p6`T  Sweden r    16q( POTAMOGETON POLYGONIFOLIUS Alismatales II`|)      1702274 z< ]     wv 1880-C08-23  R POTAMOGETON Pourr. O.  CONTACT UM HERBARIUM $E7 J   gustaf tiselius 0&  
{"catalogNumber": "1702274", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton polygonifolius", "scientificNameAuthorship": "Pourr.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "polygonifolius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Gustaf Tiselius", "recordNumber": "1.b", "verbatimEventDate": "1880-08-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Sweden", "stateProvince": "V\u00c3\u00a4rmland", "county": "no data", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}