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": ""}
 -fro  WILLIAM B. DREW   MDP  anton a. rezmicek    n5 -84.9935 HELIANTHUS fXMr  41.9342 e Li   ) ASTERALES  c 1482273  IN N.Y.C. RAILROAD PRAIRIE t  occidentals m$xO    Branch  ! vV  1947-08-02 `!xR-    lXcU8 MICHIGAN    lnZ united states  | 4steraceae   HELIANTHUS OCCIDENTALIS -3a.  1 1/2 MILES EAST OF COLDWATER &oy4  
{"catalogNumber": "1482273", "order": "Asterales", "family": "Asteraceae", "scientificName": "Helianthus occidentalis", "scientificNameAuthorship": "", "genus": "Helianthus", "subgenus": "", "specificEpithet": "occidentalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "William B. Drew", "recordNumber": "", "verbatimEventDate": "1947-08-02", "habitat": "In N.Y.C. railroad prairie", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Branch", "municipality": "", "locality": "1 1/2 miles east of Coldwater", "decimalLatitude": "41.9342", "decimalLongitude": "-84.9935", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}