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": ""}
  bt;  Betula pumila  q9 w 1948-07-15 BETULACEAE  EtF    $ ROGERS MCVAUGH   9417 4i%C  pumila  l   *vy NEAR BEAR CREEK, NORTHEAST OF CLARION.  @6f BETULA    oh 1349497   Charlevoix pH   "SHRUB TO 3M. HIGH, WITH SLENDER STEMS." lkF)    Ce*ER Fagales Open swampy areas among large alders, abundant. ~pS7a   f UNITED STATES  (u L.   michigan ]i  
{"catalogNumber": "1349497", "order": "Fagales", "family": "Betulaceae", "scientificName": "Betula pumila", "scientificNameAuthorship": "L.", "genus": "Betula", "subgenus": "", "specificEpithet": "pumila", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Rogers McVaugh", "recordNumber": "9417", "verbatimEventDate": "1948-07-15", "habitat": "Open swampy areas among large alders, abundant.", "occurrenceRemarks": "\"Shrub to 3m. High, with slender stems.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Charlevoix", "municipality": "", "locality": "Near Bear Creek, northeast of Clarion.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}