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": ""}
    [ DOELLINGERIA   >$Z var.  ^Im ASTERACEAE  WALTER N. KOELZ =c0r]     1932-08-14 fNH   ]Z Manitouli asterales B ] p  ONToARIO vlR2    k rtX 4468 umbellata k1t    cockburn island -wTa   a`= Canada   XG DOELLINGERIA UMBELLATA VAR. UMBELLATA 1538384 >   x; umbellata
{"catalogNumber": "1538384", "order": "Asterales", "family": "Asteraceae", "scientificName": "Doellingeria umbellata var. umbellata", "scientificNameAuthorship": "", "genus": "Doellingeria", "subgenus": "", "specificEpithet": "umbellata", "verbatimTaxonRank": "var.", "infraspecificEpithet": "umbellata", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "4468", "verbatimEventDate": "1932-08-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Manitoulin", "municipality": "", "locality": "Cockburn Island", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}