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": ""}
MARY E. WHARTON  6JC  BLACK SHALE REGION, ON HILL 2 MILES EAST OF BOSTON. v;  WILLD. EX SPRENG. sd   1939-04-19 @#R     l5`B nlson kentucky ( 58       POALES  d   uF 8 United States   ALBICANS ` xI  carex albicans ^  CAREX           
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Carex albicans", "scientificNameAuthorship": "Willd. ex Spreng.", "genus": "Carex", "subgenus": "", "specificEpithet": "albicans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Mary E. Wharton", "recordNumber": "", "verbatimEventDate": "1939-04-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Kentucky", "county": "Nelson", "municipality": "", "locality": "Black Shale Region, on hill 2 miles east of Boston.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}