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": ""}
  MICHIGAN      eAd   1937-07-29           UTBF1 -86.74639  Anton A. Reznhicek 1  JOSEPH BAILEY r4PeN    DELTA  ;   191 &L    carex utriculata AEZ  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Carex utriculata", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Joseph Bailey", "recordNumber": "191", "verbatimEventDate": "1937-07-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Delta", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-86.74639", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}