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": ""}
       Lake Feldtman, Isle Royale I6#w      47.853091 ?D[>6    $ united states  V alismatales gramineus 4<V    2125 P @i    6Rk` jame s b. mcfarlin potamogeton gramineus ?  keweenaw z&   1930-07-08 @Pj g  
{"catalogNumber": "", "order": "Alismatales", "family": "", "scientificName": "Potamogeton gramineus", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "gramineus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "James B. McFarlin", "recordNumber": "2125", "verbatimEventDate": "1930-07-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Keweenaw", "municipality": "", "locality": "Lake Feldtman, Isle Royale", "decimalLatitude": "47.853091", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}