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": ""}
 ib)n% 450  + 1917,-07-09   gL venosum     3nrZ asterales   7s( united states   Dry sandy soil - aspen assoc. =   subsp. ):L  John H. Ehlers bK?a  1255053 +MDP   c hieracium venosum subsp. venosum     CHEBOYGAN >:^       </ venosum
{"catalogNumber": "1255053", "order": "Asterales", "family": "", "scientificName": "Hieracium venosum subsp. venosum", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "venosum", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "venosum", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "450", "verbatimEventDate": "1917-07-09", "habitat": "Dry sandy soil - aspen assoc.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Cheboygan", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}