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": ""}
  K F[ 1861-07-29    42.27937 U   RcaO?u Nymphaeaceae   FY UNITED STATES  nymphaeales u||     :[- In a lake.    Elizabeth C. lmendinger @K   & NUPHA3R    advena EF    ->6 (aiton) w. t. aiton  
{"catalogNumber": "", "order": "Nymphaeales", "family": "Nymphaeaceae", "scientificName": "", "scientificNameAuthorship": "(Aiton) W. T. Aiton", "genus": "Nuphar", "subgenus": "", "specificEpithet": "advena", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Elizabeth C. Almendinger", "recordNumber": "", "verbatimEventDate": "1861-07-29", "habitat": "In a lake.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "42.27937", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}