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": ""}
 sfS@ Pntederia cordata var. cordata  cordata . )`-   pot. flats S   1659807 8<b       s.n.   k commelinales  :0 PONTEDERIA      lN,j cordata  x7 united states    @Gc! no data     
{"catalogNumber": "1659807", "order": "Commelinales", "family": "", "scientificName": "Pontederia cordata var. cordata", "scientificNameAuthorship": "", "genus": "Pontederia", "subgenus": "", "specificEpithet": "cordata", "verbatimTaxonRank": "", "infraspecificEpithet": "cordata", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "no data", "municipality": "", "locality": "Pot. Flats", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}