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": ""}
  PoE%r carex     AT JUNCTION OF SC 45 (BRANCHDALE RD) AND SC 310; 4.7 MILES WEST OF EUTAWVILLE Z      CAREX COMPLANATA    ; 5 N 2010-04-30   *3br complanata         Torr. & Hook. z  28273 Ym    k^ CYPERACEAE 1562503 ]    ^ JOHN B. NELSON 
{"catalogNumber": "1562503", "order": "", "family": "Cyperaceae", "scientificName": "Carex complanata", "scientificNameAuthorship": "Torr. & Hook.", "genus": "Carex", "subgenus": "", "specificEpithet": "complanata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John B. Nelson", "recordNumber": "28273", "verbatimEventDate": "2010-04-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "At junction of SC 45 (Branchdale Rd) and SC 310; 4.7 miles west of Eutawville", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}