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": ""}
 El BLACK SHALE /REGION. 1 1/2 MI. SE. OF JEFFERSONVILLE Mary E. Wharton +  1943-10-21 +Y>1      8c Kentucky    ++P ANDROPOGON  [ n VIRGINICUS   ?W christopher s. campbel      LM)j: United States poales K  1404940 y    n edge of field montgomery x cI      *]E[ Andropogon virginicus 6191 * 
{"catalogNumber": "1404940", "order": "Poales", "family": "", "scientificName": "Andropogon virginicus", "scientificNameAuthorship": "", "genus": "Andropogon", "subgenus": "", "specificEpithet": "virginicus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Christopher S. Campbell", "recordedBy": "Mary E. Wharton", "recordNumber": "6191", "verbatimEventDate": "1943-10-21", "habitat": "edge of field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Kentucky", "county": "Montgomery", "municipality": "", "locality": "Black Shale Region. 1 1/2 mi. SE. of Jeffersonville", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}