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": ""}
          Ernest C. Twisselmann -nG>6   h subfusca  1970-06-25  .aaO   w W. Boott  % united state    16868A Carex subfusca 3bs^M    mQhB7 2408    0x(/K Car3x  r  1388718   
{"catalogNumber": "1388718", "order": "", "family": "", "scientificName": "Carex subfusca", "scientificNameAuthorship": "W. Boott", "genus": "Carex", "subgenus": "", "specificEpithet": "subfusca", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ernest C. Twisselmann", "recordNumber": "16868A", "verbatimEventDate": "1970-06-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "2408", "maximumElevationInMeters": ""}