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": ""}
   r 1950-09-04  On dry qcliff face a&.)        H  takubama, naga hills  1498800 h *7  Ranunculaceae ttFJb   CLEMATIS BUCHANANIANA OW$  WALTER N. KOELZ 6c.   d Koelz Assam Expedition    Clematis dc. jNd:  RANUCULALES 28  buchananiana I   b$m NO DATA InCdia oh   G1 26041    ]s?+~ 2134
{"catalogNumber": "1498800", "order": "Ranunculales", "family": "Ranunculaceae", "scientificName": "Clematis buchananiana", "scientificNameAuthorship": "DC.", "genus": "Clematis", "subgenus": "", "specificEpithet": "buchananiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "26041", "verbatimEventDate": "1950-09-04", "habitat": "On dry cliff face", "occurrenceRemarks": "Koelz Assam Expedition", "associatedTaxa": "", "country": "India", "stateProvince": "", "county": "no data", "municipality": "", "locality": "Takubama, Naga Hills", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "2134", "maximumElevationInMeters": ""}