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": ""}
 7 1420472    r  Phleum pratense 1901-07-26 Zo0    F. A. SPRAGG z    ^V*G Montana     P HLEUM  UNITED STATES /   Cottonwood bench  <   (Dn  gallatin    i o Poaceae pratens3 J4c      517 OYvF*      y8t L.  M POALES
{"catalogNumber": "1420472", "order": "Poales", "family": "Poaceae", "scientificName": "Phleum pratense", "scientificNameAuthorship": "L.", "genus": "Phleum", "subgenus": "", "specificEpithet": "pratense", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F. A. Spragg", "recordNumber": "517", "verbatimEventDate": "1901-07-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Montana", "county": "Gallatin", "municipality": "", "locality": "Cottonwood bench", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}