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": ""}
        B; "VOUCHERSPECIMEN FOR M.S. THESIS." [ON TWO SHEETS] DoellOingeria jhW  1981-08-29  ~eK9     lu@  asterales  Michigan lT~|`     KR BERRIEN 919   U5  United States  *O9   [ ASTERACEAE  4cM1Q KATHLEEN A. KRON  @>G indian bowl area, t6s, r17w, sec. 8, w-1/2. 1.961849 d   G*Y~2 PRAIRIE.  doellingeria umbellata y.YN4 
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "Doellingeria umbellata", "scientificNameAuthorship": "", "genus": "Doellingeria", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Kathleen A. Kron", "recordNumber": "919", "verbatimEventDate": "1981-08-29", "habitat": "Prairie.", "occurrenceRemarks": "\"Voucher specimen for M.S. Thesis.\" [on two sheets]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Berrien", "municipality": "", "locality": "Indian Bowl area, T6S, R17W, Sec. 8, W-1/2.", "decimalLatitude": "41.961849", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}