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": ""}
    )`4Y 48.044027   BETULACEAE j_2   rv7 CORY1LUS LAKE RICHIE, ISLE ROYALE. ^    s 1349829  keweenaw      ogB marshall  !B JOHN S. DRUMKE 4199 Z8[g    3~> Michigan  l7V; united states     1942-06-21  _  cornuta R<Cu    $ -88.701576
{"catalogNumber": "1349829", "order": "", "family": "Betulaceae", "scientificName": "", "scientificNameAuthorship": "Marshall", "genus": "Corylus", "subgenus": "", "specificEpithet": "cornuta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "John S. Drumke", "recordedBy": "", "recordNumber": "4199", "verbatimEventDate": "1942-06-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Keweenaw", "municipality": "", "locality": "Lake Richie, Isle Royale.", "decimalLatitude": "48.044027", "decimalLongitude": "-88.701576", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}