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       K   7 kentucky Pan|cum gattingeri J b 9   < NlB poaceae    GATTINGERI W  a   470 ,]@X     ,*x  NASH   7I 1937-10-16  -w 1 MI1E NORTH OF CHAPEL GAP  
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Panicum gattingeri", "scientificNameAuthorship": "Nash", "genus": "", "subgenus": "", "specificEpithet": "gattingeri", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Mary E. Wharton", "recordNumber": "1470", "verbatimEventDate": "1937-10-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Kentucky", "county": "", "municipality": "", "locality": "1 mile north of Chapel Gap", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}