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": ""}
   6!9  united states   3447 or   $_f%= ESCULENTUS cyperus odwQ#  POALES ]  OKTIBBEHA OXls   1393332 :18    yJBl L. CYPERACEAE /i      W, MISSISSIPPI 1982-09-22 +i_5M    Upd-8r cyperus esculentus  charles t. bryson      j09 PLANT SCIENCE FARM, MIS5ISSIPPI STATE UNVERSITY, N OF HWY 82.   
{"catalogNumber": "1393332", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus esculentus", "scientificNameAuthorship": "L.", "genus": "Cyperus", "subgenus": "", "specificEpithet": "esculentus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles T. Bryson", "recordNumber": "3447", "verbatimEventDate": "1982-09-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Mississippi", "county": "Oktibbeha", "municipality": "", "locality": "Plant Science Farm, Mississippi State Unversity, N of Hwy 82.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}