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": ""}
 7421 r   WINN RANGER OISTRICT (PRIVATE LAND WITHIN ADMINISTRATIVE BOUNDARY) OF THE KISATCHIE NATIONAL FOREST ON BRIARWOOO NATURE PRESERVE, READHEIMER VICINITY. V     <! Cyperaceae  1997-05-1Z3 W w       ,X UNITED STATES  PHILIP E. HYATT & DAVID MOORE BQo7n     POALES K[xb      c; tribuloides  ^y.  TRS: T13N R6W SEC 4  
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "tribuloides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Philip E. Hyatt & David Moore", "recordNumber": "7421", "verbatimEventDate": "1997-05-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Winn Ranger District (private land within administrative boundary) of the Kisatchie National Forest on Briarwood Nature Preserve, Readheimer vicinity.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T13N R6W sec 4", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}