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": ""}
6604 tK@ 9     DU castanea OLIVER A. FARWELL =    p;b  United States -88.16233 k;v d  Eagle Harbor. !yIb   H1923-06-25 T78k  cyperaceae l&NfP     U Carex keweenaw 8   POALES [Qeow   r3a Mchigan  _s_ wahlenb. 1354351 0iIV    Peat bogs.  o(=   ZV~ 47.45824  @+G marcia j. waterway  t.Y Carex castanea  
{"catalogNumber": "1354351", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex castanea", "scientificNameAuthorship": "Wahlenb.", "genus": "Carex", "subgenus": "", "specificEpithet": "castanea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Marcia J. Waterway", "recordedBy": "Oliver A. Farwell", "recordNumber": "6604", "verbatimEventDate": "1923-06-25", "habitat": "Peat bogs.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Keweenaw", "municipality": "", "locality": "Eagle Harbor.", "decimalLatitude": "47.45824", "decimalLongitude": "-88.16233", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}