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": ""}
 u  CAREX BUXBAUMII  xiK- HOKKAIDO  uK6P japan  wah9lenb. KS    ^2$. NEMURO   7d 1712840   s. akiyama    SWAMP  Q S$   nambuto swamp, prov. nemuro, hokkaido  =)?      E bux8aumii    fp%-y carex    <8%D s.n.  : Cyperaceae Poales Nz i  1935-07-25 5`9  
{"catalogNumber": "1712840", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex buxbaumii", "scientificNameAuthorship": "Wahlenb.", "genus": "Carex", "subgenus": "", "specificEpithet": "buxbaumii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "S. Akiyama", "recordNumber": "s.n.", "verbatimEventDate": "1935-07-25", "habitat": "swamp", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Japan", "stateProvince": "Hokkaido", "county": "Nemuro", "municipality": "", "locality": "Nambuto swamp, prov. Nemuro, Hokkaido", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}