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": ""}
  RI Cyperaceae   29!bk carex flaccosberma   arkansas  -h    TRS: T13S R17W SEC 13  [.    # 852  = Ej flaccosperma   wrk SOUTH SIDE OF US HWY 79 & 0.5 MILES EAST OF OUACHITA RIVER BIDGE.  DK9| philip e. hyatt   Dewey :     w Poales  iW  UNITED STATES    8K);M carex 
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex flaccosperma", "scientificNameAuthorship": "Dewey", "genus": "Carex", "subgenus": "", "specificEpithet": "flaccosperma", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Philip E. Hyatt", "recordNumber": "8532", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "", "municipality": "", "locality": "South side of US Hwy 79 & 0.5 miles east of Ouachita River Bridge.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T13S R17W sec 13", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}