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": ""}
  WD walter n. koelz EAST KHASI HILLS v#  1219 Wx      LAURALESx4l%K   S2 cinnamomum   (lour.) nees |s   Lauraceae O    #w Ck FOREST   1952-07-19 8G    india sM   </&& CHERRAPUNJEE  =92u 1500457 30686 %S  curvifolium ,Ck/r     
{"catalogNumber": "1500457", "order": "Laurales", "family": "Lauraceae", "scientificName": "", "scientificNameAuthorship": "(Lour.) Nees", "genus": "Cinnamomum", "subgenus": "", "specificEpithet": "curvifolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "30686", "verbatimEventDate": "1952-07-19", "habitat": "Forest", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "", "county": "East Khasi Hills", "municipality": "", "locality": "Cherrapunjee", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1219", "maximumElevationInMeters": ""}