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": ""}
   ON 251  e?f,v United States    =y1#3 1467719  Z# michigan  -85.588991 s   Q@ CHARLEVOIX   L. ZL[f&      lS 1958-08-02  Potentilla norvegica cd ~[   M POTENTILLA   .[:^ rosaceae  J] 45.837448    _!` Rosles
{"catalogNumber": "1467719", "order": "Rosales", "family": "Rosaceae", "scientificName": "Potentilla norvegica", "scientificNameAuthorship": "L.", "genus": "Potentilla", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "251", "verbatimEventDate": "1958-08-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Charlevoix", "municipality": "", "locality": "", "decimalLatitude": "45.837448", "decimalLongitude": "-85.588991", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}