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": ""}
  r    (michx.)maxim.     1461529    @ RUBUS  T0Wv[ CONTACT UM HERBARIUM   2498 9FSw2     O m Canada   strigosus     var. %k>         idaeus NyK< 
{"catalogNumber": "1461529", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "(Michx.) Maxim.", "genus": "Rubus", "subgenus": "", "specificEpithet": "idaeus", "verbatimTaxonRank": "var.", "infraspecificEpithet": "strigosus", "identifiedBy": "", "recordedBy": "", "recordNumber": "2498", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}