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. i:  CAREX 2N  1892-05-21  *    rugosperma FL   poales 4o    Sh Carex tonsa var. rugosperma    Rlo 42.7562  E 1477560    MICHIGAN v`   y5: Charles F. Wheeler var. <   (   N;sR Cyperaceae    yD9 eaton  = Anton A. eznicek  Q UNITED STATES 
{"catalogNumber": "1477560", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex tonsa var. rugosperma", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "rugosperma", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Charles F. Wheeler", "recordNumber": "s.n.", "verbatimEventDate": "1892-05-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Eaton", "municipality": "", "locality": "", "decimalLatitude": "42.7562", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}