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": ""}
   m s.n.  rp 1470789   A rubus    8R rubus pubescens     *2 ROSAvCEAE  2&  1868   ;Dt5 isle royale, lake superior. keweenaw 9        -88.546117 mkn     
{"catalogNumber": "1470789", "order": "", "family": "Rosaceae", "scientificName": "Rubus pubescens", "scientificNameAuthorship": "", "genus": "Rubus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1868", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Keweenaw", "municipality": "", "locality": "Isle Royale, Lake Superior.", "decimalLatitude": "", "decimalLongitude": "-88.546117", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}