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": ""}
  i4s 1252516     10 FT. FROM FENCE SEPARATING THE PASTURE FROM AN OLD WEED FIELD WHOSE W. END WAS BEING CULTIVATED. q  asteraceae / )t  Washtenaw f3v    : U  Michigan  Xbnl? 1957-07-16  ASTERALES   fz   169     O;6 acanthoides  =H0 T.W. Maull  ; z- CARDUUS ACANTHOIDES L. PZ6V8  OPPOSIT ANN ARBOR AIRPORT FIELD. ANN ARBOR, yz    <(j4p United States     h [G Carduus
{"catalogNumber": "1252516", "order": "Asterales", "family": "Asteraceae", "scientificName": "Carduus acanthoides", "scientificNameAuthorship": "L.", "genus": "Carduus", "subgenus": "", "specificEpithet": "acanthoides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "T.W. Maull", "recordNumber": "169", "verbatimEventDate": "1957-07-16", "habitat": "10 ft. from fence separating the pasture from an old weed field whose W. end was being cultivated.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Opposite Ann Arbor airport field. Ann Arbor,", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}