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": ""}
INDIANA trU   !2y+! dunes at tremont (l.) salisb. ex nutt. 43v    s.n. 0oFQ   $ . PORTER  b]l 1923-03-25      4m./ s ymplocarpus  @ ] 1662522  united states G n         CE foetidus     
{"catalogNumber": "1662522", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "(L.) Salisb. ex Nutt.", "genus": "Symplocarpus", "subgenus": "", "specificEpithet": "foetidus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1923-03-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Indiana", "county": "Porter", "municipality": "", "locality": "Dunes at Tremont", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}