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": ""}
 $6< 1974-04-27      <(^A> 1305980 Dentaria maxima |u/   MAXIMA  t     CONTACT UM HERBARIUM 6,g      tb8 brassicaceae   5eIaG CANADA anton a. reznicek SJ@    , M Nutt.  4094 Vy#  Brassicales t ,<    R7 simcoe  l$N[w dentaria
{"catalogNumber": "1305980", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "Dentaria maxima", "scientificNameAuthorship": "Nutt.", "genus": "Dentaria", "subgenus": "", "specificEpithet": "maxima", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "4094", "verbatimEventDate": "1974-04-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "Simcoe", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}