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": ""}
   aV gwandong  ) SOUTH KOREA      B>.&G ANDERSSON  % 15990      p w_Y GANGWON-DO Poaceae V7+    v  1708579 MISCANTHUS SINENSIS &Q  1954-10-14 ,<= .     CG misMcanthus     %zzZ  poales  Qd~  sin3nsis   
{"catalogNumber": "1708579", "order": "Poales", "family": "Poaceae", "scientificName": "Miscanthus sinensis", "scientificNameAuthorship": "Andersson", "genus": "Miscanthus", "subgenus": "", "specificEpithet": "sinensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "15990", "verbatimEventDate": "1954-10-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "South Korea", "stateProvince": "Gwandong", "county": "Gangwon-do", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}