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 I b)   ~! RUTH B. (ALFORD) MACFARLANE   -89.049217  8T    MICHIGAN ?I O    (nees) g. l. nesom 8!)    Y3F Ontonagon   _F K 4911   (I 1251694 symphyotrichum firmum L<K   ANTON A. REZNICEK (cfH   ASTERACEAE [I%    46.738541   /   symphyotrichum := [E 
{"catalogNumber": "1251694", "order": "", "family": "Asteraceae", "scientificName": "Symphyotrichum firmum", "scientificNameAuthorship": "(Nees) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Ruth B. (Alford) MacFarlane", "recordNumber": "4911", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Ontonagon", "municipality": "", "locality": "", "decimalLatitude": "46.738541", "decimalLongitude": "-89.049217", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}