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": ""}
46.34492 !EdvS       5[]L POTAMOGETON FOLIOSUS VAR. MACELLUS 1280564 S%q    384 aK    united states &|G  foliosus Q c     IRON     g& fern.        O macellus 
{"catalogNumber": "1280564", "order": "", "family": "", "scientificName": "Potamogeton foliosus var. macellus", "scientificNameAuthorship": "Fern.", "genus": "", "subgenus": "", "specificEpithet": "foliosus", "verbatimTaxonRank": "", "infraspecificEpithet": "macellus", "identifiedBy": "", "recordedBy": "", "recordNumber": "384", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Iron", "municipality": "", "locality": "", "decimalLatitude": "46.34492", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}