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": ""}
  (PERS.) POIR.  uu   Arenac Wfj   CAREX BRUNNESCENS xV W   UNITED STATES     +Rp -83.74083      n4+f# a.j. sharp & evelyn b. sharp NE CORNER OF MUD LAKE, WHITNEY TWP. sC `        JVK cyperaceae  s.n. Z      1961-06-20  
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Carex brunnescens", "scientificNameAuthorship": "(Pers.) Poir.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A.J. Sharp & Evelyn B. Sharp", "recordNumber": "s.n.", "verbatimEventDate": "1961-06-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Arenac", "municipality": "", "locality": "NE corner of Mud Lake, Whitney Twp.", "decimalLatitude": "", "decimalLongitude": "-83.74083", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}