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": ""}
1979-06-21 NxG      (nx4J 1392560   TONSA 2A.     18730   -[)   U CANADA  w.]am carex   O!L%j Ontario  CIV&2  cyperaceae  D Fero gravel quarry 2 km N of Copenhagen Rd crosing of N branch of Current R, MacGregor Twp.  L    var.  tonsa >RkV  claude e. garton h:ce   U.@ thunder bay -89.166667 /4   #^n carex onsa var. tonsa poales fr7w      48Â° 29' N 89Â° 10' W
{"catalogNumber": "1392560", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex tonsa var. tonsa", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "tonsa", "verbatimTaxonRank": "var.", "infraspecificEpithet": "tonsa", "identifiedBy": "", "recordedBy": "Claude E. Garton", "recordNumber": "18730", "verbatimEventDate": "1979-06-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Thunder Bay", "municipality": "", "locality": "Fero gravel quarry 2 km N of Copenhagen Rd crossing of N branch of Current R, MacGregor Twp.", "decimalLatitude": "", "decimalLongitude": "-89.166667", "verbatimCoordinates": "48\u00c2\u00b0 29' N 89\u00c2\u00b0 10' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}