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": ""}
   DRACAENA  TXJO   lower edge of forest 0^t4      =6 FERNALDII  1947-04-06     TRE 8 M. X 2 DM.; FL. YELLOWISH-GREEN fA8        _U 22666  dracafena fernaldii v 4T)   (h. st. john) jankalski H@     
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Dracaena fernaldii", "scientificNameAuthorship": "(H. St. John) Jankalski", "genus": "Dracaena", "subgenus": "", "specificEpithet": "fernaldii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "22666", "verbatimEventDate": "1947-04-06", "habitat": "lower edge of forest", "occurrenceRemarks": "Tree 8 m. x 2 dm.; fl. yellowish-green", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}