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": ""}
  EWa  Sagittaria   3Os [ 43.73919     oV cuneata     G* 1282237    ALISMATACEAE 0uc    ` r.r. dreisbach  bay +  1931-07-26 1.F  linwood @Z      6%/ v [a second sheet: "7325, july 26, 1931" same location] [!k. rataj 1968]  CL$: sandy beach
{"catalogNumber": "1282237", "order": "", "family": "Alismataceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Sagittaria", "subgenus": "", "specificEpithet": "cuneata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R.R. Dreisbach", "recordNumber": "", "verbatimEventDate": "1931-07-26", "habitat": "Sandy beach", "occurrenceRemarks": "[a second sheet: \"7325, July 26, 1931\" same location] [!K. Rataj 1968]", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Bay", "municipality": "", "locality": "Linwood", "decimalLatitude": "43.73919", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}