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": ""}
  = Lac de Retoumrnemer      w@;<r Tyhaceae  ~ sparganium naams 1702034 U    2 NATANS Grand Est q          poales 2 o  L. OM4zN   % FRANCE    lohr c r  S.N. <| 
{"catalogNumber": "1702034", "order": "Poales", "family": "Typhaceae", "scientificName": "Sparganium natans", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "natans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Lohr", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "Lac de Retournemer", "occurrenceRemarks": "", "associatedTaxa": "", "country": "France", "stateProvince": "Grand Est", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}