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": ""}
  WC:w 43.44637  1246663 @-rG   :H3& acerifolium        @P VIBURNUM   1962-06-02 TV$Wd      -83.33601 6>        Po1 jarl yk. hiltunen 
{"catalogNumber": "1246663", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Viburnum", "subgenus": "", "specificEpithet": "acerifolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Jarl K. Hiltunen", "recordNumber": "", "verbatimEventDate": "1962-06-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "43.44637", "decimalLongitude": "-83.33601", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}