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": ""}
1986-06-04      CHAU^GA RIVER, ON A NORTH FACING EXPOSURE, CA 1~.7 MILE DOWNSTREAM FROM BLACKWELL BRIDGE (STATE HIGHWAY 193), ACROSS THE CHAUGA RIVER FROM FOREST ROUTE 764. WHETSTONE QUADRANGLE, US FOREST SERVICE COMPARTMENT NUMBER 28. 0Hv  south carolia ?,]5     united states  zV  carex styloflexPa /Z*H?  JOHN DAVID TOBE  5d9G   Pq]y Buckley  ^s styloflexa  yzU oconee   CAREX f[   1388528 K  ;  822 :   cyperaceae yl       r/3X  Poales 
{"catalogNumber": "1388528", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex styloflexa", "scientificNameAuthorship": "Buckley", "genus": "Carex", "subgenus": "", "specificEpithet": "styloflexa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John David Tobe", "recordNumber": "822", "verbatimEventDate": "1986-06-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "South Carolina", "county": "Oconee", "municipality": "", "locality": "Chauga River, on a north facing exposure, ca 1.7 mile downstream from Blackwell Bridge (state highway 193), across the Chauga River from forest route 764. Whetstone quadrangle, US Forest Service Compartment Number 28.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}