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": ""}
 r L2A CAREX    ] MICHIGAN  [+C. arctata] osf   CAREX ALBURSINA Ze)P&        E. Sheld.  -e United States    s.n. dQk     j+ Rich low woods.  1896-06-18 %!  albursina ;U  CHARLES A. DAVIS FaS   Pf FREDERICK J. HERMANN    sU*& -84.65758
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Carex albursina", "scientificNameAuthorship": "E. Sheld.", "genus": "Carex", "subgenus": "", "specificEpithet": "albursina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Frederick J. Hermann", "recordedBy": "Charles A. Davis", "recordNumber": "s.n.", "verbatimEventDate": "1896-06-18", "habitat": "Rich low woods.", "occurrenceRemarks": "[+C. arctata]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-84.65758", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}