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": ""}
    K7 ;, schoolcraft  y0j   NE1/4 NW1/4 SEC 7 T43N R|6W    4h 182 canadensis      z[rc -86.354985  v UNTED STATES MICHIGAN 6    A  cornales  @^E` Don Henson  i%/ 1473867   n NE1/4 NW1/4 Sec 7 T43N R16W  46.1363q97 ,*+l  1971-06-25 *5mZ   Cornaceae )2h   R< l.  Cornus  W   
{"catalogNumber": "1473867", "order": "Cornales", "family": "Cornaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Cornus", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Don Henson", "recordNumber": "182", "verbatimEventDate": "1971-06-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Schoolcraft", "municipality": "", "locality": "NE1/4 NW1/4 Sec 7 T43N R16W", "decimalLatitude": "46.136397", "decimalLongitude": "-86.354985", "verbatimCoordinates": "NE1/4 NW1/4 Sec 7 T43N R16W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}