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": ""}
BRASSICACEAE tkxg]     3903  z     , (L.) Besser   brassicales t    -83.8416 bq2/  mv RO9RIPPA PALUSTRIS       (^^1 palustris  41.97905 _%$ h  robert w. smitb t$   x( Ew 1464215  
{"catalogNumber": "1464215", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "Rorippa palustris", "scientificNameAuthorship": "(L.) Besser", "genus": "", "subgenus": "", "specificEpithet": "palustris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "3903", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "41.97905", "decimalLongitude": "-83.8416", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}