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": ""}
      nkq7 M. P. WIDR1ECHNER  H K=Y Cariboo   ^ 19037  HS)HO rosaceae    1. J. A. Calder~, J. A. Parmelee, R. L. TayIlor 1956-07-17 j`*   ,b RUBUS PUBESCENS rubusdrK   canada 6  1461856 `<<tU  rosales _z`U:  contact um herbarium u^   [;. pubescens  british columbia 4  raf. .=&*p    
{"catalogNumber": "1461856", "order": "Rosales", "family": "Rosaceae", "scientificName": "Rubus pubescens", "scientificNameAuthorship": "Raf.", "genus": "Rubus", "subgenus": "", "specificEpithet": "pubescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. P. Widrlechner", "recordedBy": "J. A. Calder, J. A. Parmelee, R. L. Taylor", "recordNumber": "19037", "verbatimEventDate": "1956-07-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "British Columbia", "county": "Cariboo", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}