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": ""}
  @x9 pendulus  z<67] frederick k. sparrow  s.n. [   scirpus WcW   M PORT FRANKS     Muhl. G   (  Ontario ;h*+    ;s 4 1940-06-19 lambton  q   _ bank of Old River   @ SCIRPU PENDULUS   2l2k CANADA  1428052    POALE(S (   u Cypraceae  
{"catalogNumber": "1428052", "order": "Poales", "family": "Cyperaceae", "scientificName": "Scirpus pendulus", "scientificNameAuthorship": "Muhl.", "genus": "Scirpus", "subgenus": "", "specificEpithet": "pendulus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frederick K. Sparrow", "recordNumber": "s.n.", "verbatimEventDate": "1940-06-19", "habitat": "bank of Old River", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Lambton", "municipality": "", "locality": "Port Franks", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}