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": ""}
  Blyxa coreana ?n    f>I< Japan UCHIKINA, GOEKU-SON =*2g          X T. AMANO    1702489 XO     9 Okinawa      - 2dT COREANA  ClW Nakagami 1951-06-27   
{"catalogNumber": "1702489", "order": "", "family": "", "scientificName": "Blyxa coreana", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "coreana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "T. Amano", "recordNumber": "", "verbatimEventDate": "1951-06-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Japan", "stateProvince": "Okinawa", "county": "Nakagami", "municipality": "", "locality": "Uchikina, Goeku-Son", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}