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": ""}
thomas a. williams sM5      hi 1453466  Juncus Cf5=      4 , sioux f4lls.     1896-06-05    yz minnehaha poales E   & ]% South Dakota  r)/6 Juncusbrevicaudatus      _lR juncaceae s.n. W8&   Qh?) brevicaudatus United States ; x+  
{"catalogNumber": "1453466", "order": "Poales", "family": "Juncaceae", "scientificName": "Juncus brevicaudatus", "scientificNameAuthorship": "", "genus": "Juncus", "subgenus": "", "specificEpithet": "brevicaudatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thomas A. Williams", "recordNumber": "s.n.", "verbatimEventDate": "1896-06-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "South Dakota", "county": "Minnehaha", "municipality": "", "locality": "Sioux Falls.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}