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": ""}
 john h. ehlers Oe#H   UNITED STATES q//EX    b y64 HIERACIUM AURANTIACUM      QgwRj 1254541  ASTERALES 8S    gh5f: 45.618914  5 AURANTIACUM L. oB)i    | MICHIGAN  1920-07-09 )+5     ad CHEBOYGAN    roadside - 1 
{"catalogNumber": "1254541", "order": "Asterales", "family": "", "scientificName": "Hieracium aurantiacum", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "aurantiacum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "", "verbatimEventDate": "1920-07-09", "habitat": "Roadside -", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "", "decimalLatitude": "45.618914", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}