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. RATAJ 1968]  c#i    IF*Y  Bay   <8TP< sagittaria 7291 z)*`            $  stagnant ditch    e. sheld. C-CX      Sagittaria cuneata s+e|d 
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Sagittaria cuneata", "scientificNameAuthorship": "E. Sheld.", "genus": "Sagittaria", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "7291", "verbatimEventDate": "", "habitat": "Stagnant ditch", "occurrenceRemarks": "[!K. Rataj 1968]", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Bay", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}