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": ""}
    USSR TSU5W  tyumen v   poaceae e  poales =A   [ j| siberia s.n.     E&S NO DATA PROVIDED ON LABEL OF CATALOG NO: 1704352 (L.) Roth gN/hg  arundinacea  ;C     N ] ILLEGIBLE       ] 1704352   O 8=b Calamagrostis arundinacea  LCN CALAMAGROSTIS 1916-07-06 ; SR 
{"catalogNumber": "1704352", "order": "Poales", "family": "Poaceae", "scientificName": "Calamagrostis arundinacea", "scientificNameAuthorship": "(L.) Roth", "genus": "Calamagrostis", "subgenus": "", "specificEpithet": "arundinacea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "illegible", "recordNumber": "s.n.", "verbatimEventDate": "1916-07-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "USSR", "stateProvince": "Siberia", "county": "Tyumen", "municipality": "", "locality": "no data provided on label of catalog no: 1704352", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}