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": ""}
KATHLEEN A. KRON 6   ASTERACEAE Tr n         910 O8q:   04WRU -86.316785     United States z*o    "Voucher specimen for M.S. thesis." [on 2 sheets] J5    maculatum  +%`   0Zv 1981-08-22   EUTROCHIUM 9Y 
{"catalogNumber": "", "order": "", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Eutrochium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "maculatum", "identifiedBy": "", "recordedBy": "Kathleen A. Kron", "recordNumber": "910", "verbatimEventDate": "1981-08-22", "habitat": "", "occurrenceRemarks": "\"Voucher specimen for M.S. thesis.\" [on 2 sheets]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-86.316785", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}