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 ^wa<    cephalanthus  gK.     R 8 L. north-west of st. charles cdv    .k 1956-07-28  dbG CEPHALANTHUS OCCIDENTALIS   W|3 SAGINAW Gentianales Q  1243350 ^D1       # %0T Frederick W. Case, Jr.  1 RUBIACEAE    Wet sand ridges O   7v MICHIGAN   >3]_ occidentalis 
{"catalogNumber": "1243350", "order": "Gentianales", "family": "Rubiaceae", "scientificName": "Cephalanthus occidentalis", "scientificNameAuthorship": "L.", "genus": "Cephalanthus", "subgenus": "", "specificEpithet": "occidentalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frederick W. Case, Jr.", "recordNumber": "", "verbatimEventDate": "1956-07-28", "habitat": "Wet sand ridges", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Saginaw", "municipality": "", "locality": "north-west of St. Charles.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}