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": ""}
   bc Q united states  bg1 mary e. wharton    RUBUS 5:T3  1942-05-21 l&     ROSACEAE E+t   S ROSALES  Rubus argutus _-  Link   Oj     t, clark M. P. WIDRLECHNER Y6   $[`p2 1461341    C^ argutus    Ie 6103
{"catalogNumber": "1461341", "order": "Rosales", "family": "Rosaceae", "scientificName": "Rubus argutus", "scientificNameAuthorship": "Link", "genus": "Rubus", "subgenus": "", "specificEpithet": "argutus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. P. Widrlechner", "recordedBy": "Mary E. Wharton", "recordNumber": "6103", "verbatimEventDate": "1942-05-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Clark", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}