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": ""}
ROSALS  v8Z   RUBUS ~    u/L7I G. C. C.  N Rosaceae  v ^<  United States NEBRASKA s  rubus heterophyllus ` 0         1461844 ;n  willd. lYO#%  heterophyllus sb3   d M. P. Widrlechner        1958-07-08 Q 
{"catalogNumber": "1461844", "order": "Rosales", "family": "Rosaceae", "scientificName": "Rubus heterophyllus", "scientificNameAuthorship": "Willd.", "genus": "Rubus", "subgenus": "", "specificEpithet": "heterophyllus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. P. Widrlechner", "recordedBy": "G. C. C.", "recordNumber": "", "verbatimEventDate": "1958-07-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Nebraska", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}