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": ""}
  b! V2 subsp.  ieNA-o ARC7ICUS  Q.Mt Rubus arcticus subsp. acaulis  1949-07-06 @USF    k8   Mark P. Widrlechner Northwest Territories ^n   D d1 ROSALES Canada $U Pd    G|t;q acaulis YELLOWKNIFE UgQS    (michx.) focke I%     @ RUBUS     6 - P W. J. Cody   K ROSACEAE   + $c 2450
{"catalogNumber": "", "order": "Rosales", "family": "Rosaceae", "scientificName": "Rubus arcticus subsp. acaulis", "scientificNameAuthorship": "(Michx.) Focke", "genus": "Rubus", "subgenus": "", "specificEpithet": "arcticus", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "acaulis", "identifiedBy": "Mark P. Widrlechner", "recordedBy": "W. J. Cody", "recordNumber": "2450", "verbatimEventDate": "1949-07-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Northwest Territories", "county": "Yellowknife", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}