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": ""}
DC. o   D brassicaceae 1926-08-04 xxw6      751 jG-S    leiocarpum 5    m frederick j. hermann       HOUGbHTON uutz      BRASSIALES .  Sisymbrium officinale var. leiocarpum O   
{"catalogNumber": "", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "Sisymbrium officinale var. leiocarpum", "scientificNameAuthorship": "Dc.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "leiocarpum", "identifiedBy": "", "recordedBy": "Frederick J. Hermann", "recordNumber": "751", "verbatimEventDate": "1926-08-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Houghton", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}