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": ""}
  R8 Mack. 425 meF     rO?-d CAREX SHELDONII @United States o  Cyperaceae Y     _|7 ADAMS idaho X3   *|3+I 1955-07-12  penNW carex   (- 1386728 MONT. E. LEWIS gH, X     yB9C. Poales      sheldonii Z    U PAYETTE, LOST VALLEY RESERVOIR.
{"catalogNumber": "1386728", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex sheldonii", "scientificNameAuthorship": "Mack.", "genus": "Carex", "subgenus": "", "specificEpithet": "sheldonii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Mont. E. Lewis", "recordNumber": "425", "verbatimEventDate": "1955-07-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Idaho", "county": "Adams", "municipality": "", "locality": "Payette, Lost Valley Reservoir.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}