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": ""}
       yO@c poaceae  8257 in^b/     5z 1407857  l;6  CHARLOTTE  Bgu Poales     /Hr FREDERICK H. HORSFORD   tP 1878-06-18  ^Yt erectus Vermnt g1   United States  oy   G bromus Huds. xI e    @Q = BROMUS ERECTUS 
{"catalogNumber": "1407857", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus erectus", "scientificNameAuthorship": "Huds.", "genus": "Bromus", "subgenus": "", "specificEpithet": "erectus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frederick H. Horsford", "recordNumber": "8257", "verbatimEventDate": "1878-06-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Vermont", "county": "", "municipality": "", "locality": "Charlotte", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}