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": ""}
     1955-08-18 AQ    A51Wc NORTH CAROLINA   Ky&! R.L. Wilbur  [Yz about 7 miles w of shelby on route 74   K3QY (L.) DC.   1431999 ]T1 6      #W$] ASTERACEAE  T#x? in moist low pastured area     asterales K$?uB   :h& K United States
{"catalogNumber": "1431999", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "(L.) DC.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R.L. Wilbur", "recordNumber": "", "verbatimEventDate": "1955-08-18", "habitat": "In moist low pastured area", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "North Carolina", "county": "", "municipality": "", "locality": "About 7 miles W of Shelby on Route 74", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}