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": ""}
  Michigan knHJe   Alismatale5 Pvz   c united states  B~~i polyrhiza  i ]nF Spirodela   1474458  B       P6 1784    in van ettan lake at mouth of pine river. X oH  FREQUENT ON SURFACE OF QUIET WATER I MARSH. a w     SPIRODELA POLYRHIZA  T`] 1985-07-20 Araceae JQL=!  JOHN V. FREUDENSTEIN 6@p  IOSCO l#  (L.) SCHLEID. 1 
{"catalogNumber": "1474458", "order": "Alismatales", "family": "Araceae", "scientificName": "Spirodela polyrhiza", "scientificNameAuthorship": "(L.) Schleid.", "genus": "Spirodela", "subgenus": "", "specificEpithet": "polyrhiza", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John V. Freudenstein", "recordNumber": "1784", "verbatimEventDate": "1985-07-20", "habitat": "Frequent on surface of quiet water in marsh.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Iosco", "municipality": "", "locality": "In Van Ettan Lake at mouth of Pine River.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}