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": ""}
    OKLAHOMA ?tNO!   UITED STATES1 z    jgo0y 11843    K1 NASSELLA   2 miles west of Kingston e     POACEAE r  1418449 $K#   ,. NASSELLA LEUCOTRICHA leucotricha z]     U.T. Waterfall L    
{"catalogNumber": "1418449", "order": "", "family": "Poaceae", "scientificName": "Nassella leucotricha", "scientificNameAuthorship": "", "genus": "Nassella", "subgenus": "", "specificEpithet": "leucotricha", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "U.T. Waterfall", "recordNumber": "11843", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Oklahoma", "county": "", "municipality": "", "locality": "2 miles west of Kingston", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}