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": ""}
   1959-08-20 -7   o TRAIL FROM HUGINNIN'S COVE TO WASHINGTON CREEK, ISLE ROYALE.  B$tAP 47.92542     eyk  1350681     5q UNITED STATES  [no wintergreen flavor in bark; leaves as in b. payrifera; bark shreds dark] p$c      [U2Xr BETULACEAE    betula ZK  keweenaw du    c] Michigan
{"catalogNumber": "1350681", "order": "", "family": "Betulaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Betula", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1959-08-20", "habitat": "", "occurrenceRemarks": "[No wintergreen flavor in bark; leaves as in B. papyrifera; bark shreds dark]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Keweenaw", "municipality": "", "locality": "Trail from Huginnin's Cove to Washington Creek, Isle Royale.", "decimalLatitude": "47.92542", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}