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": ""}
JACEA 6    [6asN L.  YA Asteraceae    asterales + +W   24* UNIED STATES  7 Centaurea jacea 42.395502 vL;       s Wayne   so 8721 oliver a. farwell G  r   O Yw@ CENTAUREA    =CXr K-83.296385  Pl michigan    LR 1252568 1930-08-05 `|Q    ;x*(m redford
{"catalogNumber": "1252568", "order": "Asterales", "family": "Asteraceae", "scientificName": "Centaurea jacea", "scientificNameAuthorship": "L.", "genus": "Centaurea", "subgenus": "", "specificEpithet": "jacea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Oliver A. Farwell", "recordNumber": "8721", "verbatimEventDate": "1930-08-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Wayne", "municipality": "", "locality": "Redford", "decimalLatitude": "42.395502", "decimalLongitude": "-83.296385", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}