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": ""}
   t B2 1922-07-01   =l poales   4n u FALL RIVER VAL1EY NEAR IDAHO SPRINGS  Poaceae &0z  PRATENSIS  ?r$     f L.    7 lois s. ehlers 14220V77  ~   ` Colorado  vD) CLEAR CREEK united states &c8     8>z poa pratensis    
{"catalogNumber": "1422077", "order": "Poales", "family": "Poaceae", "scientificName": "Poa pratensis", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "pratensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Lois S. Ehlers", "recordNumber": "", "verbatimEventDate": "1922-07-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Colorado", "county": "Clear Creek", "municipality": "", "locality": "Fall River Valley near Idaho Springs", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}