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": ""}
  walter n. koelz q Wh  INDIA Q    tetradium fraxinifolium p,s .  1504883 iwmt    (hook. fil.)t. g. hartley b        q%u TETRADIUM  26118  C: W     1950-09-07  kmN       FRAXINIFOLIUMi W.SX[ 
{"catalogNumber": "1504883", "order": "", "family": "", "scientificName": "Tetradium fraxinifolium", "scientificNameAuthorship": "(Hook. fil.) T. G. Hartley", "genus": "Tetradium", "subgenus": "", "specificEpithet": "fraxinifolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "26118", "verbatimEventDate": "1950-09-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}