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": ""}
  4 Cyperaceae C&arl W. Sharsmith 1[F    .L m 2062  CAREX HELLERI Rb]K   ^C_N carex  v NORTHWEST 5LOPE MOUNT DANA.  ;1 Lt 3810    Mv united states    s: POALES     1372881 helleri W  1935-0710 @a^*     CALIFORNIA oTBh   TUOLUMNE z* 
{"catalogNumber": "1372881", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex helleri", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "helleri", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl W. Sharsmith", "recordNumber": "2062", "verbatimEventDate": "1935-07-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "California", "county": "Tuolumne", "municipality": "", "locality": "Northwest slope Mount Dana.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "3810", "maximumElevationInMeters": ""}