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": ""}
  ar 1959-08-23 alba a)?J     UNITED STATES G    -84.01614  drD     Asterales  D)9#    tMk` PRENANTHES ALBA    c5` Livingston 1560242 S     vj jarl k. hiltunen  @b4 42.4457   V-U<7 s.n.  /fJ Moistmargin of woods.
{"catalogNumber": "1560242", "order": "Asterales", "family": "", "scientificName": "Prenanthes alba", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "alba", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Jarl K. Hiltunen", "recordNumber": "s.n.", "verbatimEventDate": "1959-08-23", "habitat": "Moist margin of woods.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Livingston", "municipality": "", "locality": "", "decimalLatitude": "42.4457", "decimalLongitude": "-84.01614", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}