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": ""}
   16753 4   uY officinale   D9g9 -84.869  >= Y St. Helena Island 1258020 b?   Asterales  fR   P ASTERACEAE      VQ Taraxacum officinale  Michigan   O    $  Mackinac  # united states  20 f. h. wigg.    
{"catalogNumber": "1258020", "order": "Asterales", "family": "Asteraceae", "scientificName": "Taraxacum officinale", "scientificNameAuthorship": "F. H. Wigg.", "genus": "", "subgenus": "", "specificEpithet": "officinale", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "16753", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mackinac", "municipality": "", "locality": "St. Helena Island", "decimalLatitude": "", "decimalLongitude": "-84.869", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}