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": ""}
 1703475  2a p   F#_ M. S. Clemens  Y Aristida     z0y Australia  QXB 1945-11-07 Queesland u e    w3$Bb CONTACT UM HERBARIUM  Ojw  s.n.  2o% aristida browniana  Warrego bnz      Poaceae wR~   a - _ : Poales henrard K6@   browniana :  
{"catalogNumber": "1703475", "order": "Poales", "family": "Poaceae", "scientificName": "Aristida browniana", "scientificNameAuthorship": "Henrard", "genus": "Aristida", "subgenus": "", "specificEpithet": "browniana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M. S. Clemens", "recordNumber": "s.n.", "verbatimEventDate": "1945-11-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Australia", "stateProvince": "Queensland", "county": "Warrego", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}