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": ""}
  muhl. D~      F POWELL  HENRY A. GLEASON AND C. H. GRIFFITTS y h 9      yjG PoVales   Xi 1419148  nwWE panicum verrucosum  BQf united states    //  VERRUCOSUM   146 vEO    yT PANICUM    :^vc7 1939-09-01  @* POACEAE  5t S@ KENTUCKY   z]k.b 2 MILES EAST OF CLAY CITY
{"catalogNumber": "1419148", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum verrucosum", "scientificNameAuthorship": "Muhl.", "genus": "Panicum", "subgenus": "", "specificEpithet": "verrucosum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Henry A. Gleason and C. H. Griffitts", "recordNumber": "146", "verbatimEventDate": "1939-09-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Kentucky", "county": "Powell", "municipality": "", "locality": "2 miles east of Clay City", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}