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": ""}
  I  PRENANTHES      I* 1884-08-16    4o7b Asteraceae 42.270872 x[    L. (8Bkm  prenanthes alba -u   @QN alba VNITED STATES FnoL   Pm washtenaw GEORE B. SUDWORTH Gls8   P  1256020   n& a.a. [4nn arbor]    5jjB michigan  )9h ASTERALES -83.726329 XV-    / N "WHITISH" "2Â°-3Â°;" 272 ELa& 
{"catalogNumber": "1256020", "order": "Asterales", "family": "Asteraceae", "scientificName": "Prenanthes alba", "scientificNameAuthorship": "L.", "genus": "Prenanthes", "subgenus": "", "specificEpithet": "alba", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George B. Sudworth", "recordNumber": "272", "verbatimEventDate": "1884-08-16", "habitat": "", "occurrenceRemarks": "\"whitish\" \"2\u00c2\u00b0-3\u00c2\u00b0;\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "A.A. [Ann Arbor]", "decimalLatitude": "42.270872", "decimalLongitude": "-83.726329", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}