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 Black Hills, 7 1/2 mi E of Custer. cyperaceae ;y      Carexstipata lv1     stipata DB1l   7290 C)2  South Dakota Vz(Ic   muhl. ex willd. r  UNITED STATES 4k3m   0  1387822 1983-08-13 hupf0  Poales <8     UZ susan a. reznicek
{"catalogNumber": "1387822", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex stipata", "scientificNameAuthorship": "Muhl. ex Willd.", "genus": "", "subgenus": "", "specificEpithet": "stipata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Susan A. Reznicek", "recordNumber": "7290", "verbatimEventDate": "1983-08-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "South Dakota", "county": "", "municipality": "", "locality": "Black Hills, 7 1/2 mi E of Custer.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}