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": ""}
  DS POLYGALA polygalaceae U  POLYGALA PAUCIFOLIA ,5/I      35v Fabales    PAUCIFOLIA nX           %s&t+ michigan    P 1957-06-08  & FLS. BRIGHT-MAGENTA.  1472574 =L  
{"catalogNumber": "1472574", "order": "Fabales", "family": "Polygalaceae", "scientificName": "Polygala paucifolia", "scientificNameAuthorship": "", "genus": "Polygala", "subgenus": "", "specificEpithet": "paucifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1957-06-08", "habitat": "", "occurrenceRemarks": "Fls. Bright-magenta.", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}