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": ""}
  india n*r  1933-08-20 x2l    ]=a Lachulung, Rupshu     ;nf  Jammu and Kashmir LEH t      pyk rheum  8p Q= 6641   SvWdm 4267  %?1 polygonaceae  u Walter N.H Koelz    royle      l:b5s 1497778  spiciforme J 
{"catalogNumber": "1497778", "order": "", "family": "Polygonaceae", "scientificName": "", "scientificNameAuthorship": "Royle", "genus": "Rheum", "subgenus": "", "specificEpithet": "spiciforme", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "6641", "verbatimEventDate": "1933-08-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Jammu and Kashmir", "county": "Leh", "municipality": "", "locality": "Lachulung, Rupshu", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "4267", "maximumElevationInMeters": ""}