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": ""}
 1829 zAD   MEGHALAYA -B  Walter N. Koelz ;E_ld   <DT 23160   -e 1501936    East Khasi Hills  ;  *    ^TMh Cotoneaster simonsii india v?h i    Fm ROSACEAE Rosales mFZ$2  SIMONSII /KUT    ? Co*toneaster  baker _2 J    ?ZQ / 1949-07-11     b LAITLYNKOT [LAITLYNGKOT]
{"catalogNumber": "1501936", "order": "Rosales", "family": "Rosaceae", "scientificName": "Cotoneaster simonsii", "scientificNameAuthorship": "Baker", "genus": "Cotoneaster", "subgenus": "", "specificEpithet": "simonsii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "23160", "verbatimEventDate": "1949-07-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Laitlynkot [Laitlyngkot]", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1829", "maximumElevationInMeters": ""}