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": ""}
helenium `o     Xu)! 1895-09-25 Asterale5 H     old field T  1538766 L  helenium ndiflorum 6! l_   NUITT. (G   Lca Union  s united states   )E=MM NUDIFLORUM s.n.  1      ? f@w asteraceae   s NEW JERSEY    V L.S. Livingston westfieMld w 1D 
{"catalogNumber": "1538766", "order": "Asterales", "family": "Asteraceae", "scientificName": "Helenium nudiflorum", "scientificNameAuthorship": "Nutt.", "genus": "Helenium", "subgenus": "", "specificEpithet": "nudiflorum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "L.S. Livingston", "recordNumber": "s.n.", "verbatimEventDate": "1895-09-25", "habitat": "Old field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "New Jersey", "county": "Union", "municipality": "", "locality": "Westfield", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}