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": ""}
  7 SQUARROSA virgata +/~]L   ]<r 1538072    V</I Iran  =%Y ASTERALES  LORESTAN nR4   ~L subp.  MW2>V DORUD, PROVINCE OF LURISTAN Centaurea virgata subsp. squarrosa @hJ:   WALTER N. KOELZ _VFd    dorud 65:`x   1941-06-09 t:E1   (willd.) gugler 3  dry slope [y    PvZqC Centaurea    Hq0  ASTERACEAE 
{"catalogNumber": "1538072", "order": "Asterales", "family": "Asteraceae", "scientificName": "Centaurea virgata subsp. squarrosa", "scientificNameAuthorship": "(Willd.) Gugler", "genus": "Centaurea", "subgenus": "", "specificEpithet": "virgata", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "squarrosa", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "", "verbatimEventDate": "1941-06-09", "habitat": "Dry slope", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Iran", "stateProvince": "Lorestan", "county": "Dorud", "municipality": "", "locality": "Dorud, Province of Luristan", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}