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": ""}
   Wahlenb.  71B       5Ontario (J3?    c`| ` 1977-07-10   CAREX CASTANEA jo)    Carex vq     r conc. xx lot b, tiny twp., 6 1/2 miles n of penetang.  :axK wet trail thr0ugh cedar foreJst.  0) SIMCOE CASTANEA &6Dkd  4639 jL.e|  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Carex castanea", "scientificNameAuthorship": "Wahlenb.", "genus": "Carex", "subgenus": "", "specificEpithet": "castanea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4639", "verbatimEventDate": "1977-07-10", "habitat": "Wet trail through cedar forest.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "Conc. XX Lot B, Tiny Twp., 6 1/2 miles N of Penetang.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}