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": ""}
  20666 Se T  1922-10 &E     LAURACEAE N  100520 T;   MALAYSIA R6W   pentagona M    db merr.   9P Laurales     QD LITSEA PENTAGONA adolph d.e. elmer S       RGa litsea elphinstone 9B G 
{"catalogNumber": "1002520", "order": "Laurales", "family": "Lauraceae", "scientificName": "Litsea pentagona", "scientificNameAuthorship": "Merr.", "genus": "Litsea", "subgenus": "", "specificEpithet": "pentagona", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Adolph D.E. Elmer", "recordNumber": "20666", "verbatimEventDate": "1922-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Malaysia", "stateProvince": "", "county": "Elphinstone", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}