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": ""}
1917-10-07 5m   ]L< OAKLAND Oliver A. Farwell 3y*        VZ& michigan  DCQ ASTERACEAE asterales U/r    oFD. -83.26466  Z$%% (NEES) G. L. NESOM  ^108 United States ANTON A. REZNICEK LB;    8U symphyotrichum firmum   IkS# oxford    P( X SYMPHYOTRICHUM 42.82475 P7n*cx    1251707 A(Y[  FIRMUM L   EpU$ 4719 
{"catalogNumber": "1251707", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum firmum", "scientificNameAuthorship": "(Nees) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "firmum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Oliver A. Farwell", "recordNumber": "4719", "verbatimEventDate": "1917-10-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Oakland", "municipality": "", "locality": "Oxford", "decimalLatitude": "42.82475", "decimalLongitude": "-83.26466", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}