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": ""}
kent UI1~R   M triloba       nzx 1897-08-23  w. earle mulliken A[    > Asteraceae   p983 michigan L. <[@m     uY 43.0212 United States yIvG  Rudbeckia triloba c    1256437 k`   ^M c Rudbeckia 491 bt#>     yBB -85.62882  
{"catalogNumber": "1256437", "order": "", "family": "Asteraceae", "scientificName": "Rudbeckia triloba", "scientificNameAuthorship": "L.", "genus": "Rudbeckia", "subgenus": "", "specificEpithet": "triloba", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W. Earle Mulliken", "recordNumber": "491", "verbatimEventDate": "1897-08-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Kent", "municipality": "", "locality": "", "decimalLatitude": "43.02122", "decimalLongitude": "-85.62882", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}