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": ""}
    1932-07-18 @xD      1194887 b W  riviã¨re-aux-serpents. >q      a/@  QUEBEC  @e  Canada   epihydrus ^.    A R. Louis-Marie     s  ) POTAMOGETON EPIHYDRUS  raf. 4,wQ] 
{"catalogNumber": "1194887", "order": "", "family": "", "scientificName": "Potamogeton epihydrus", "scientificNameAuthorship": "Raf.", "genus": "", "subgenus": "", "specificEpithet": "epihydrus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. Louis-Marie", "recordNumber": "", "verbatimEventDate": "1932-07-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Quebec", "county": "", "municipality": "", "locality": "Rivi\u00c3\u00a8re-aux-Serpents.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}