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": ""}
  = 1481769   8ANK OF RIVER. 9[!   gentianales  7  apocynaceae C_H:  1236 [3   &7_WQ cnnabinum  bZN<= ANN ARBOR; W OF PONTIAC RD., HURON RIVER.   (s 5 1927-07-04  ANTON A. REZNICEK CtG      @BZ?P& apocynum cannabinum   L. `9  Washtenaw 4Bc    UNITED STATES  )      -83.74225 MICHIGAN K EKa  Frederick J. Hermann a9CW 
{"catalogNumber": "1481769", "order": "Gentianales", "family": "Apocynaceae", "scientificName": "Apocynum cannabinum", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "cannabinum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Frederick J. Hermann", "recordNumber": "1236", "verbatimEventDate": "1927-07-04", "habitat": "Bank of river.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Ann Arbor; W of Pontiac Rd., Huron River.", "decimalLatitude": "", "decimalLongitude": "-83.74225", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}