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": ""}
 Poaceae hH     ,` DROBOW  |toF Bromus   NO DATA PROVIDED ON LABEL OF CATALOG NO: 1704261 wnF0   b >he USSR  [H Bromus sibiricus poales  )     FB sibiricus       ILLEGIBLE  yn #   #&h N DATA  axw4 1959-07-24 s.n. _B9    1704261 r[g] 
{"catalogNumber": "1704261", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus sibiricus", "scientificNameAuthorship": "Drobow", "genus": "Bromus", "subgenus": "", "specificEpithet": "sibiricus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "illegible", "recordNumber": "s.n.", "verbatimEventDate": "1959-07-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "USSR", "stateProvince": "no data", "county": "", "municipality": "", "locality": "no data provided on label of catalog no: 1704261", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}