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": ""}
   BOOTT  v ;   ; UNITED STATES  u~ 421  Hillsdale  x  peter w. fritsch  $nC  ICHIGAN |!   COMOSA bu Cr  Anton A. Reznicek Ys8           G3b 1987-07-14  z =S 42.036507  m/ Poales  3D_ Cyperaceae   ? "GO DOWN THE SLOPE, TURN E., AND CROSS A LOW BARBED WIRE FENCE TO GET TO THE BOG. ABOUT 100 KM SW OF ANN ARBOR."
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "Boott", "genus": "", "subgenus": "", "specificEpithet": "comosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Peter W. Fritsch", "recordNumber": "421", "verbatimEventDate": "1987-07-14", "habitat": "", "occurrenceRemarks": "\"Go down the slope, turn E., and cross a low barbed wire fence to get to the bog. About 100 km SW of Ann Arbor.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Hillsdale", "municipality": "", "locality": "", "decimalLatitude": "42.036507", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}