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": ""}
   =_ 1461486  & 6576 Canada !8q   7%vr  RUBUS HISPIDUS   `p essex   rosaceae 0   `v]l* HISPIDUS  l. 4 H%  ontario s&    g!S2 Rosales  :kEnk RUBUS  M. J. OLDHAM, M. DELISLE, S. MANAGHAM @   Contact UM Herbarium <s]T     |TOF 1986-07-28   Ie7H M. P. WIDRLECHNER 
{"catalogNumber": "1461486", "order": "Rosales", "family": "Rosaceae", "scientificName": "Rubus hispidus", "scientificNameAuthorship": "L.", "genus": "Rubus", "subgenus": "", "specificEpithet": "hispidus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. P. Widrlechner", "recordedBy": "M. J. Oldham, M. Delisle, S. Managham", "recordNumber": "6576", "verbatimEventDate": "1986-07-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Essex", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}