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": ""}
  R:i sterilis 1949-06-30 L    -84.93781 5G   Emmet At%.h  CAREX z_%       aAeI 1475756  (m9?F l. michigan shore, little traverse tp. MICHIGAN kM   EDWARD G. VOS  3@6N   617 7&~?   45.42441 *  Carex sterilis S:      #A CYPER4CEAE  United States CKi3-  
{"catalogNumber": "1475756", "order": "", "family": "Cyperaceae", "scientificName": "Carex sterilis", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "sterilis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "617", "verbatimEventDate": "1949-06-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Emmet", "municipality": "", "locality": "L. Michigan shore, Little Traverse Tp.", "decimalLatitude": "45.42441", "decimalLongitude": "-84.93781", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}