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": ""}
  1941-09-01 y5%2y      533 n hrL    schoenoplectus pungens i5JD   WASHTENAW T        4au$ pungens SCHOENOPLECTUS tfj    Betty M. Robertson [iv    $~nN! poales  S UO  (Vahl) Palla 
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Schoenoplectus pungens", "scientificNameAuthorship": "(Vahl) Palla", "genus": "Schoenoplectus", "subgenus": "", "specificEpithet": "pungens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Betty M. Robertson", "recordNumber": "533", "verbatimEventDate": "1941-09-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Washtenaw", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}