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": ""}
  @dj brachycephalus  r k54 1897-08-27  41.6j02259 sD~Q      A 1447140 -87.25837  T   Lake r`MB5   =68 miller's    =?]0E Poales    s.n. 7H/M  juncus $#     juncus brachycephalus Z2  (engelm.) buchenau hFW U    
{"catalogNumber": "1447140", "order": "Poales", "family": "", "scientificName": "Juncus brachycephalus", "scientificNameAuthorship": "(Engelm.) Buchenau", "genus": "Juncus", "subgenus": "", "specificEpithet": "brachycephalus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1897-08-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Lake", "municipality": "", "locality": "Miller's", "decimalLatitude": "41.602259", "decimalLongitude": "-87.25837", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}