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": ""}
 A= -86.023479   +~ 1251743 MICHIGAN ns,O    !4Vx 1929-09-03  anton a. reznicek *   A &  (NEES)0 G. L. NESOM  z2 Asteraceae  FIRMUM 3    p ROADSIDE DITCH, THIKCKET BORDER OF GULLIVER LAKE.    SYMPHYOTRICHUM .0-      %f  Symphyotrichum firmum  &gWK2 45.966032    C schoolcraft   4359 o4 
{"catalogNumber": "1251743", "order": "", "family": "Asteraceae", "scientificName": "Symphyotrichum firmum", "scientificNameAuthorship": "(Nees) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "firmum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "", "recordNumber": "4359", "verbatimEventDate": "1929-09-03", "habitat": "Roadside ditch, thicket border of Gulliver Lake.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Schoolcraft", "municipality": "", "locality": "", "decimalLatitude": "45.966032", "decimalLongitude": "-86.023479", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}