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": ""}
   Lemna   ,   3!g 1663093     minor    lc. shallow water of marshy lake shore    :U4Lr Alismatales  ARACEAE R@ 4,   _=  lemna minor   w r 1972-07-31  ) Ontaro     D4 A. A. Reznicek & R. S. W. Bobbette  E 2456   7gh9 CANADA    aEIn a. a. reznicek
{"catalogNumber": "1663093", "order": "Alismatales", "family": "Araceae", "scientificName": "Lemna minor", "scientificNameAuthorship": "", "genus": "Lemna", "subgenus": "", "specificEpithet": "minor", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "A. A. Reznicek & R. S. W. Bobbette", "recordedBy": "A. A. Reznicek", "recordNumber": "2456", "verbatimEventDate": "1972-07-31", "habitat": "shallow water of marshy lake shore", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}