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": ""}
      5 john samples  LIATRIS SPICATA Z  liatris =mH U  1838-07-27 AR75  upper cedars, urbana #i 9  united states 71    b ASTERALES  ASTERACEAE v    ?bW 1539112  d[I (l.) willd.    spicata c __  champaign ?^KM     S.N. s J  
{"catalogNumber": "1539112", "order": "Asterales", "family": "Asteraceae", "scientificName": "Liatris spicata", "scientificNameAuthorship": "(L.) Willd.", "genus": "Liatris", "subgenus": "", "specificEpithet": "spicata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John Samples", "recordNumber": "s.n.", "verbatimEventDate": "1838-07-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Champaign", "municipality": "", "locality": "Upper Cedars, Urbana", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}