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": ""}
   n~6LE -84q.747713  533 MF  Malpighiales DTq   W. SALIX  United States PO     Salicaceae |j*Z      EXIGUA sk&v    |PZ Low groumd.  up(O edward g. voss     h ) 45.83549     175777
{"catalogNumber": "1475777", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Salix", "subgenus": "", "specificEpithet": "exigua", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "533", "verbatimEventDate": "", "habitat": "Low ground.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "45.83549", "decimalLongitude": "-84.747713", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}