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": ""}
1981-02-24 ]$`     1394258 r=>  EDWARD M. WHEELER 6     ROTUNDUS 7])     polk 1$@O1     5, cyperaceae   > CYPERUS  Y z Poales united states @m    C6XQ florida  6OLw> CYPERUS ROTUNDUS   
{"catalogNumber": "1394258", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus rotundus", "scientificNameAuthorship": "", "genus": "Cyperus", "subgenus": "", "specificEpithet": "rotundus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward M. Wheeler", "recordNumber": "", "verbatimEventDate": "1981-02-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "Polk", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}