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": ""}
   @k In open     Walter N. Koelz     u &  OSYRIS ARBOREA  1497257 PutYh    AFkk santalales ARBOREA R    Osyris ~ *     7Xf~ Mahendra, Madras Presidency  6 f,] NO DATA   1937-01-23  c!   >] INDIA   @s   SAMTALACEAE  n WALL.
{"catalogNumber": "1497257", "order": "Santalales", "family": "Santalaceae", "scientificName": "Osyris arborea", "scientificNameAuthorship": "Wall.", "genus": "Osyris", "subgenus": "", "specificEpithet": "arborea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "", "verbatimEventDate": "1937-01-23", "habitat": "In open", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "no data", "county": "", "municipality": "", "locality": "Mahendra, Madras Presidency", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}