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": ""}
     r CAREX  -94.660833 Il4D     8<$ cyperaceae    T>B& bushii 7964 ;   ap8@u 38.374722   UNITED STATES  o&/      Tl linn  2 mi N, 5.5 mi E La Cygne, W side of La Cyne Lake. UE       *p/f poales  R 2002-05-23  
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "bushii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "7964", "verbatimEventDate": "2002-05-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Linn", "municipality": "", "locality": "2 mi N, 5.5 mi E La Cygne, W side of La Cyne Lake.", "decimalLatitude": "38.374722", "decimalLongitude": "-94.660833", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}