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": ""}
  5 1419293   x @*v 1921-08-27     _kb E. Jerome Grimes     r]z- 4346    W panicum virgatum   UNITED STATES  r^_e     1Â½ W. of Williamsb^urg C    8< poales  &uq Williamsburg, ity of  Panicum soJ m 
{"catalogNumber": "1419293", "order": "Poales", "family": "", "scientificName": "Panicum virgatum", "scientificNameAuthorship": "", "genus": "Panicum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E. Jerome Grimes", "recordNumber": "4346", "verbatimEventDate": "1921-08-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Williamsburg, City of", "municipality": "", "locality": "1\u00c2\u00bd W. of Williamsburg", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}