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": ""}
   CAREX BACKII H     h  CYPERACEAE  ~ED united states   H i frederick j. hermann Michigan UcdfM     ^& 47.467245     1950-07-20 K4;,H     -87.897971 .   Gj7=R poales  E6t Carex    2j5 CHARLES D. RICHARDS
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex backii", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Frederick J. Hermann", "recordedBy": "Charles D. Richards", "recordNumber": "", "verbatimEventDate": "1950-07-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "47.467245", "decimalLongitude": "-87.897971", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}