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": ""}
  Q$b7 1839 gentianales _r/$9   D$`p rubiaceae CLARKE +=o   Yybj CONTACT UM HERBARIUM  TG repens  j adams jewett   G Alabama    mitchella repen5 g8    Mitchella kOcc  S.N. ]f     [ United States  L. Z/l7Z    _J 1536347  
{"catalogNumber": "1536347", "order": "Gentianales", "family": "Rubiaceae", "scientificName": "Mitchella repens", "scientificNameAuthorship": "L.", "genus": "Mitchella", "subgenus": "", "specificEpithet": "repens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Adams Jewett", "recordNumber": "s.n.", "verbatimEventDate": "1839", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alabama", "county": "Clarke", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}