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": ""}
  ~Ru 4 michigan rubus pubescens V4[P]    Rosaceae  ]    46xm Kathleen A. Kron MARK P. WIDRLECHNER XbQX   KL[] rubus raf. ;V |  Rosales 0UZb  "VOUCHER SPECIMEN FOR M.S. THESIS" 3uR :   N BERRIEN  1470850 ~Q    uF indian bowl area.   .oL8 United State2s -86.316785 D))     v fu EDGE OF TAMARACK SWAMP AND PRAIRIE.  ^    41.961849   774 4  1981-05-16 B_run   p pubescens
{"catalogNumber": "1470850", "order": "Rosales", "family": "Rosaceae", "scientificName": "Rubus pubescens", "scientificNameAuthorship": "Raf.", "genus": "Rubus", "subgenus": "", "specificEpithet": "pubescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Mark P. Widrlechner", "recordedBy": "Kathleen A. Kron", "recordNumber": "774", "verbatimEventDate": "1981-05-16", "habitat": "Edge of tamarack swamp and prairie.", "occurrenceRemarks": "\"Voucher specimen for M.S. Thesis\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Berrien", "municipality": "", "locality": "Indian Bowl area.", "decimalLatitude": "41.961849", "decimalLongitude": "-86.316785", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}