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": ""}
East Khasi Hills kl    ,  BERCHEMIA FLORIBUNDA  O5Krs floribunda  %V%) chrrapunjee    1952-05-18    Climbing inv thicket lKX6    RHAMNACEAE d  thakur rup chand RQaF2  BERCHEMIA =  0 r 1219  rE[ 1506450   ivkj India       6]d81 (w4ll.) brongn.   0JB Rosales 
{"catalogNumber": "1506450", "order": "Rosales", "family": "Rhamnaceae", "scientificName": "Berchemia floribunda", "scientificNameAuthorship": "(Wall.) Brongn.", "genus": "Berchemia", "subgenus": "", "specificEpithet": "floribunda", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "", "verbatimEventDate": "1952-05-18", "habitat": "Climbing in thicket", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "", "county": "East Khasi Hills", "municipality": "", "locality": "Cherrapunjee", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1219", "maximumElevationInMeters": ""}