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": ""}
UNITED STATES B       19<89-08-28 enTsZ   TENNESSEE /UQ  scirpus cyperinus Pyq   Unicoi %qo e   0 cyperaceae  89858  >9k   (l.) kunth `v]O   cyperinus okiS   1427911 6     john a. churchill aZb77  Poales |3&     
{"catalogNumber": "1427911", "order": "Poales", "family": "Cyperaceae", "scientificName": "Scirpus cyperinus", "scientificNameAuthorship": "(L.) Kunth", "genus": "", "subgenus": "", "specificEpithet": "cyperinus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John A. Churchill", "recordNumber": "89858", "verbatimEventDate": "1989-08-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Tennessee", "county": "Unicoi", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}