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": ""}
   united states  BZ   &e 1950-06-13  lUj MUSKEGON  pZz 506      s/# 1351618   F -86.19414   + laurales   ERIC A. BOURDO, JR. X1 P  albidum ;l   3^5Tp (NUTT.) NEES  f+ 8 SASSAFRAS  S4SSAFRAS ALBIDUM @  LAURACEAE ^7Q   8* MuskUegon Tp., Quarterline Rd. at Southland Ave. MICHIGAN W6: 
{"catalogNumber": "1351618", "order": "Laurales", "family": "Lauraceae", "scientificName": "Sassafras albidum", "scientificNameAuthorship": "(Nutt.) Nees", "genus": "Sassafras", "subgenus": "", "specificEpithet": "albidum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Eric A. Bourdo, Jr.", "recordNumber": "506", "verbatimEventDate": "1950-06-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Muskegon", "municipality": "", "locality": "Muskegon Tp., Quarterline Rd. at Southland Ave.", "decimalLatitude": "", "decimalLongitude": "-86.19414", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}