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": ""}
468 :_$8q      ROSACEAE     c[- tomentosa 43.9620667 -)c  2013-08-20 -3f9  michigan NM%X    fH$H n 43â° 57.724'; w 86â° 24.730'   4YW ROSALES David C. Dister [       MASON COUNTY AIRPORT, PERE MARQUETTE TWP. !!wn     UNITED STATES MASONv *-    L. ]d/   B  Spiraea    
{"catalogNumber": "", "order": "Rosales", "family": "Rosaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Spiraea", "subgenus": "", "specificEpithet": "tomentosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "David C. Dister", "recordNumber": "468", "verbatimEventDate": "2013-08-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mason", "municipality": "", "locality": "Mason County Airport, Pere Marquette Twp.", "decimalLatitude": "43.9620667", "decimalLongitude": "", "verbatimCoordinates": "N 43\u00c2\u00b0 57.724'; W 86\u00c2\u00b0 24.730'", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}