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": ""}
18778     x o canada     Sb.$^C. E. Garton  %2; Rosaceae     o 7+ ONTARIO  )N[6 CONTACT UM HERBARIUM  Nutt. Ac_>   _? Rubus parviflorus  ,j0]F rubus   rosales b   bB I paviflorus  bx. 1461790  M. P. WIDRLECHNER h-=    1979-06-28 ui  THUNDER BAY (k 
{"catalogNumber": "1461790", "order": "Rosales", "family": "Rosaceae", "scientificName": "Rubus parviflorus", "scientificNameAuthorship": "Nutt.", "genus": "Rubus", "subgenus": "", "specificEpithet": "parviflorus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. P. Widrlechner", "recordedBy": "C. E. Garton", "recordNumber": "18778", "verbatimEventDate": "1979-06-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Thunder Bay", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}