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": ""}
"Voucher specimen for M.S. thesis." |   UNITED STATES g   x;mhB berrien  >D/ 1981-08-22  [ kathleen a. kron 1217903 024   5 MICHIGAN   L. V?Nq     wet prairie. bcRo    J~B9? asteraceae  asterales  36 1  41.961849 #       helenium autumnale zR u  
{"catalogNumber": "1217903", "order": "Asterales", "family": "Asteraceae", "scientificName": "Helenium autumnale", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Kathleen A. Kron", "recordNumber": "", "verbatimEventDate": "1981-08-22", "habitat": "Wet prairie.", "occurrenceRemarks": "\"Voucher specimen for M.S. thesis.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Berrien", "municipality": "", "locality": "", "decimalLatitude": "41.961849", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}