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": ""}
       @K!^$ 1643475   MOIST, MOSSY WHITE SPRUCE WOODS ON SLOPE OF VALLEY OF SMALL STREAM R*dsl     88H(^ asparagales    maculata -B?8  pennington 8rcQ8    wtI_  s. a. reznicek, a. a. reznicek       
{"catalogNumber": "1643475", "order": "Asparagales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "maculata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "S. A. Reznicek, A. A. Reznicek", "recordNumber": "", "verbatimEventDate": "", "habitat": "Moist, mossy White Spruce woods on slope of valley of small stream", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Pennington", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}