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": ""}
    AETHIONEMA 5ohwZ  17998 O  WALTER N. KOELZ $6    ; CONTACT UM HERBARIUM   j<y) Aethionema virgatum    AR (BOISS.)  HEDGE     ?K IRAN  U VIRGATUM Chahar Mahaal and Bakhtiari C        X, BRASSICACEAE 1941-06-01 EgP38  
{"catalogNumber": "", "order": "", "family": "Brassicaceae", "scientificName": "Aethionema virgatum", "scientificNameAuthorship": "(Boiss.) Hedge", "genus": "Aethionema", "subgenus": "", "specificEpithet": "virgatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "17998", "verbatimEventDate": "1941-06-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Iran", "stateProvince": "Chahar Mahaal and Bakhtiari", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}