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": ""}
  0 (l.) roem. & schult.   & jo?hn h. ehlers 4291 ]3   45.96818 )B9#   )w? ELEOCHARIS PALUSTRIS ELEOCHARIS o6     cc palustris   n]$ 19U29-08-31  dune region between gulliver lake and lake michigan. RP|   |? henry k. svenson     CYPERACEAE  Schoolcraft  |(:m  -86.030346 q|%   michigafn O3 mo    ,c& margin of interdune ponds.  united states :N Z 
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Eleocharis palustris", "scientificNameAuthorship": "(L.) Roem. & Schult.", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "palustris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Henry K. Svenson", "recordedBy": "John H. Ehlers", "recordNumber": "4291", "verbatimEventDate": "1929-08-31", "habitat": "Margin of interdune ponds.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Schoolcraft", "municipality": "", "locality": "Dune region between Gulliver Lake and Lake Michigan.", "decimalLatitude": "45.96818", "decimalLongitude": "-86.030346", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}