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": ""}
UNITED STATES $  don henson 5IN     45.928553 pk  1998-08-15 f8 A  L. ;Fvn  Along pipeline near farm fields. Bz;:  -86.57358 .Q&2z   )0  g Aserales  z ASTERACEAE  qaS] 4326 "BRANCHES OF LARGER PLANTS" 9<j&<  1221331 # x-j  delta M<7f%  nigra X    Centaurea 9:y  Michigan -8n!    -UPq centaurea nigra    Edward G. Voss 3:  
{"catalogNumber": "1221331", "order": "Asterales", "family": "Asteraceae", "scientificName": "Centaurea nigra", "scientificNameAuthorship": "L.", "genus": "Centaurea", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "Don Henson", "recordNumber": "4326", "verbatimEventDate": "1998-08-15", "habitat": "", "occurrenceRemarks": "\"Branches of larger plants\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Delta", "municipality": "", "locality": "Along pipeline near farm fields.", "decimalLatitude": "45.928553", "decimalLongitude": "-86.57358", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}