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": ""}
  NdQA wahlenb.  united states E!^    Richland +         &z JOHM B. NELSON  CAREX TRIBLOIDES v    20421 N  tribuloides k     2 POALES  6a:& Congaree Swamp National Monument, about halfway between canoe put-in site & Old Dead Lake, about 20 mi SE of Columbia off SC 48.   1999-05-13 fBP;s     +$fZ 33.8085 CAREX O/L3j 
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Carex tribuloides", "scientificNameAuthorship": "Wahlenb.", "genus": "Carex", "subgenus": "", "specificEpithet": "tribuloides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John B. Nelson", "recordNumber": "20421", "verbatimEventDate": "1999-05-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Richland", "municipality": "", "locality": "Congaree Swamp National Monument, about halfway between canoe put-in site & Old Dead Lake, about 20 mi SE of Columbia off SC 48.", "decimalLatitude": "33.8085", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}