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": ""}
-83.134368 sb5&u  Ã AMETHYSTINUM Gy.      (Nutt.) G. L. Nesom zAG8T  United Stat3s x:WO    K2 8784    g>U^ Symphyotrichum Ã amethystinum 1250531 &!*O   RIVER ROUGE q    )h asteraceae  bm` symphyotrichum   +t5  42.273372   !sPN 1930-09-23  **b`/ ASTERALES    ~vG Oliver A. Farwell Wayne @CGR     p.K  MICHIGAN
{"catalogNumber": "1250531", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum \u00c3\u0097 amethystinum", "scientificNameAuthorship": "(Nutt.) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "\u00c3\u0097 amethystinum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Oliver A. Farwell", "recordNumber": "8784", "verbatimEventDate": "1930-09-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Wayne", "municipality": "", "locality": "River Rouge", "decimalLatitude": "42.273372", "decimalLongitude": "-83.134368", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}