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": ""}
  rcE 1474462  sprodela polyrhiza  )   `u- 1940-07-20  cQ~~ UNITED STATES   "common on surface" g  DEPTH OF WATER: 0, BOTTOM: MUCK. ARp  (l.) schleid. n [07   MECOSTA Df    b,<i  j. funk  W Araceae polyrhiza U!1    ytj?H -85.204128  w8f!U tubbs lake.  s.n. ):CrA    MICHIGAN 1f   srht 43.713512   LCJ SPIRODELA
{"catalogNumber": "1474462", "order": "", "family": "Araceae", "scientificName": "Spirodela polyrhiza", "scientificNameAuthorship": "(L.) Schleid.", "genus": "Spirodela", "subgenus": "", "specificEpithet": "polyrhiza", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. Funk", "recordNumber": "s.n.", "verbatimEventDate": "1940-07-20", "habitat": "Depth of Water: 0, Bottom: Muck.", "occurrenceRemarks": "\"Common on surface\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mecosta", "municipality": "", "locality": "Tubbs Lake.", "decimalLatitude": "43.713512", "decimalLongitude": "-85.204128", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}