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": ""}
 p9 POACEAE    S.N. ] `8_   scribn. , k;  Bromus 7?  POLYANTHUS LKL    EV MONTANA  E. J. BELL i?  contact um herbarium Ohu  poales Ji   v UNITED STATES  yRWo 1924-08-17 140779 x          yA8o Bromus polyanthus 
{"catalogNumber": "1407749", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus polyanthus", "scientificNameAuthorship": "Scribn.", "genus": "Bromus", "subgenus": "", "specificEpithet": "polyanthus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E. J. Bell", "recordNumber": "s.n.", "verbatimEventDate": "1924-08-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Montana", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}