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": ""}
1806 yK6J$        vGC H. H. Bartlewtt     Wwk 8 CASTANEA PUMILA pumila wVMW   , ED no data CHEVY CHASE s9   CASTANEA kj6p  washington, d.c.    1909-09-12 td+    O 1563523   ^ united states  FAGALES `JU   oWv2/ fagaceae  (l.) mill. @ 
{"catalogNumber": "1563523", "order": "Fagales", "family": "Fagaceae", "scientificName": "Castanea pumila", "scientificNameAuthorship": "(L.) Mill.", "genus": "Castanea", "subgenus": "", "specificEpithet": "pumila", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. H. Bartlett", "recordNumber": "1806", "verbatimEventDate": "1909-09-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Washington, D.C.", "county": "no data", "municipality": "", "locality": "Chevy Chase", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}