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": ""}
     Michigan M@G    BLACK FRUIT hzA o    rosaceae b(r=~  1468539 tk@6b   washtenaw 6iv]0  prunus     E. G. Vo5s 8     1914-08-14.)     q   west of ann arbor, steinback road   M,OJ6 rosales 
{"catalogNumber": "1468539", "order": "Rosales", "family": "Rosaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Prunus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "E. G. Voss", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1914-08-14", "habitat": "", "occurrenceRemarks": "Black fruit", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "West of Ann Arbor, Steinback Road", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}