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": ""}
 xR carex        Poales UZzNi    _2=&B Illinois  v  dewey  wQJ2 -87.529722  j4_ M 40Â° 58' 03" N 87Â° 31' 47" W  1 HAYDENII     ec anton a. eznicek  Beaverville Tw, N side of 3100N, 0.2 mi W of jct 3100N, ca 10 km NE of Martinton.      _ UNITED STATES   Cyperaceae oP  Carex haydenii ,  
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex haydenii", "scientificNameAuthorship": "Dewey", "genus": "Carex", "subgenus": "", "specificEpithet": "haydenii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Illinois", "county": "", "municipality": "", "locality": "Beaverville Twp, N side of 3100N, 0.2 mi W of jct 3100N, ca 10 km NE of Martinton.", "decimalLatitude": "", "decimalLongitude": "-87.529722", "verbatimCoordinates": "40\u00c2\u00b0 58' 03\" N 87\u00c2\u00b0 31' 47\" W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}