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": ""}
  =| BILTMORE HERBARIUM [ANONYMOUS, BILTMORE HERB.], 1 - OVER 4000, ANONYMOUS, EXS #Z: 5650   arguta en   A. GRAY mE  1446184 MH)    hQ4+c ASTERALES   GEORGIA Z6      o@N  asteraceae    var. @xd#G   Sb ,P CAROLINIANA    Unknown  ]  
{"catalogNumber": "1446184", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "A. Gray", "genus": "", "subgenus": "", "specificEpithet": "arguta", "verbatimTaxonRank": "var.", "infraspecificEpithet": "caroliniana", "identifiedBy": "", "recordedBy": "Unknown", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Biltmore Herbarium [Anonymous, Biltmore Herb.], 1 - over 4000, Anonymous, exs #: 5650", "associatedTaxa": "", "country": "", "stateProvince": "Georgia", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}