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": ""}
(torr.) a. gray RhH  poales i  brookville   1424770 O  cryptandrus uL^      7 sporobolus cryptandrus S.N. Xu&    I7 POACEAE     United States i?WlU   `IZY SPOROBOLUS      @G?<& SALINE   F 1884-08-24  @i^ GEORGE W. LETTERMAN  kansas  (]Mc 
{"catalogNumber": "1424770", "order": "Poales", "family": "Poaceae", "scientificName": "Sporobolus cryptandrus", "scientificNameAuthorship": "(Torr.) A. Gray", "genus": "Sporobolus", "subgenus": "", "specificEpithet": "cryptandrus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George W. Letterman", "recordNumber": "s.n.", "verbatimEventDate": "1884-08-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Kansas", "county": "Saline", "municipality": "", "locality": "Brookville", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}