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": ""}
  HELIANTHUS OCCIDENTALIS   w   MICHGAN :BSL   `&3 Presque Isle State Forest, south of Onaway.         .=tx3 asterales  x# 7109 JOHN H. EHLERS       y qy 1938-08-25  D S 1254167  UNITED STATES  &wM     |neU OCCIDENTALIS  -84.221 ^fD? 
{"catalogNumber": "1254167", "order": "Asterales", "family": "", "scientificName": "Helianthus occidentalis", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "occidentalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "7109", "verbatimEventDate": "1938-08-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Presque Isle State Forest, south of Onaway.", "decimalLatitude": "", "decimalLongitude": "-84.221", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}