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": ""}
cyperaceae kw  POALES Vd   M william h. over     1914-05-12  =e -   Ad  UNITED STATES 2779 G/P   M6ZH Car3x spren+gelii   jackson t   ^R8  BEAR CREEK.  1387360 kj    CAREX ^FCKq   SOUTH DAKOTA z    %  SPRENGELII  Dewey ex Spreng. e[   
{"catalogNumber": "1387360", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex sprengelii", "scientificNameAuthorship": "Dewey ex Spreng.", "genus": "Carex", "subgenus": "", "specificEpithet": "sprengelii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William H. Over", "recordNumber": "2779", "verbatimEventDate": "1914-05-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "South Dakota", "county": "Jackson", "municipality": "", "locality": "Bear Creek.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}