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": ""}
  i~:.3 1501848   (L.) Medik. 8   JX s.n.  (/ AMELANCHIER canadensis 0o ]    gW; east dorset  >( UNITED STATES    `cF 1854-05 rosacee - A-?   yfk George L. Ames         [ rosles  !iG5i Amelanchier canadensis  Benningtom P   Pvelr vermont
{"catalogNumber": "1501848", "order": "Rosales", "family": "Rosaceae", "scientificName": "Amelanchier canadensis", "scientificNameAuthorship": "(L.) Medik.", "genus": "Amelanchier", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George L. Ames", "recordNumber": "s.n.", "verbatimEventDate": "1854-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Vermont", "county": "Bennington", "municipality": "", "locality": "East Dorset", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}