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": ""}
   united states & KZ    pt  185B7-07-19   ^ ERICALES Ericaceae Gk     ELLIPTICA m~X   o8) pyrola elliptica     l George L. Ames  VY(&A Bennington  LK Pyrola 43.2588  .V   3&Bu2 Nutt.  UF/g -73.0515  s.n.  Jbl   |_mE 1539683   ezCg  east dorset (town of dorset)
{"catalogNumber": "1539683", "order": "Ericales", "family": "Ericaceae", "scientificName": "Pyrola elliptica", "scientificNameAuthorship": "Nutt.", "genus": "Pyrola", "subgenus": "", "specificEpithet": "elliptica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George L. Ames", "recordNumber": "s.n.", "verbatimEventDate": "1857-07-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Bennington", "municipality": "", "locality": "East Dorset (Town of Dorset)", "decimalLatitude": "43.2588", "decimalLongitude": "-73.0515", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}