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": ""}
    AvM 1947-07-11  O$= [ 4821  )5R4 Bouteloua curtipendula  0<R united states  pU& c. marvin rogers  !  bouteloua  1406617 RI     N~e CIMARRON (michx.) torr. eS       Poaceae IOp    poales b,    ON THE MESA DE MAYA (BLACK MESA) 3 MI. N OF KENTON. c  
{"catalogNumber": "1406617", "order": "Poales", "family": "Poaceae", "scientificName": "Bouteloua curtipendula", "scientificNameAuthorship": "(Michx.) Torr.", "genus": "Bouteloua", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. Marvin Rogers", "recordNumber": "4821", "verbatimEventDate": "1947-07-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Cimarron", "municipality": "", "locality": "On the Mesa de Maya (Black Mesa) 3 mi. N of Kenton.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}