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": ""}
  jB 1913-05-15   7&WU Sieber ex Kunth     =~ Poales        csG]f hordeum bulbosum  HORDEUM S<?H     | # bulboum  X Gh D. Litvinov     e > s.n.  v,c % 1707832  Poaceae C14 
{"catalogNumber": "1707832", "order": "Poales", "family": "Poaceae", "scientificName": "Hordeum bulbosum", "scientificNameAuthorship": "Sieber ex Kunth", "genus": "Hordeum", "subgenus": "", "specificEpithet": "bulbosum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "D. Litvinov", "recordNumber": "s.n.", "verbatimEventDate": "1913-05-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}