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": ""}
S.N.ET   ^lfL cyperaceae   9X   carex  tenax E   Z 1389149  _ Carex tenax  south carolina >Z    aiken or barnwell U    _ savannah river operations area of the atomic energy commission.    United States k     M Ghapm.   2w 1952-07-18  XtzHw w.r. kelley   yr! mV poales
{"catalogNumber": "1389149", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex tenax", "scientificNameAuthorship": "Chapm.", "genus": "Carex", "subgenus": "", "specificEpithet": "tenax", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W.R. Kelley", "recordNumber": "s.n.", "verbatimEventDate": "1952-07-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "South Carolina", "county": "Aiken or Barnwell", "municipality": "", "locality": "Savannah River Operations Area of the Atomic Energy Commission.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}