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": ""}
1498892 n0    ranunculales Q      g DORUD, PROVINCE OF LURISTAN  Qy6* nigella  DORUD ])=wJ     IRAN t`     `BH 1941-06-10 Boiss. ]3  ranunculaceae Qog  walter n. koelz D7-S0    Sk*  KOELZ IRAN EXPEDITION      
{"catalogNumber": "1498892", "order": "Ranunculales", "family": "Ranunculaceae", "scientificName": "", "scientificNameAuthorship": "Boiss.", "genus": "Nigella", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "", "verbatimEventDate": "1941-06-10", "habitat": "", "occurrenceRemarks": "Koelz Iran Expedition", "associatedTaxa": "", "country": "Iran", "stateProvince": "", "county": "Dorud", "municipality": "", "locality": "Dorud, Province of Luristan", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}