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": ""}
   Pw$ A cyperaceae      john b. nelson @  Drainage of Beech Creek, a tributary on N side of South Fork Edisto River, 4 mi SE of Johnston, about 450 m S of McCreight Road (Sec Hwy 17) within powMer line r.o.w. (V.C. Summer-Graniteville 230kV line), Ridge Spring 7.5' topo. $ :   2f 33.78817    . _J united states  ` POALES       U 23126      
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John B. Nelson", "recordNumber": "23126", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Drainage of Beech Creek, a tributary on N side of South Fork Edisto River, 4 mi SE of Johnston, about 450 m S of McCreight Road (Sec Hwy 17) within power line r.o.w. (V.C. Summer-Graniteville 230kV line), Ridge Spring 7.5' topo.", "decimalLatitude": "33.78817", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}