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": ""}
     1r 5762 TRIN. U~I;   SKAMANIA OR YAKIMA F.  1906-07-28 R    mount paddo wCFj  United States /S^V    Poales x nx   ^^t9M POACEAE  , leptocoma po2a leptocoma VR    Z)b 1421789    washington = R v  
{"catalogNumber": "1421789", "order": "Poales", "family": "Poaceae", "scientificName": "Poa leptocoma", "scientificNameAuthorship": "Trin.", "genus": "", "subgenus": "", "specificEpithet": "leptocoma", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "5762", "verbatimEventDate": "1906-07-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Washington", "county": "Skamania or Yakima", "municipality": "", "locality": "Mount Paddo", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}