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": ""}
    $r7n 1445774 Gordon S. Ringius G      P CANADA    ez 1984-08-23  Thunder Bay Q)   H SOLIDAGO SIMPLEX VAR. SIMPLEX  4Jf simplex     8c Contact UM Herbarium SIMPLEX v&  ASTERACEAE C   <R KUNTH  -0 1953   Q[ ASTERALES SOL.IDAGO lGOFb^   VAR. $  ONTARI0 Y, 
{"catalogNumber": "1445774", "order": "Asterales", "family": "Asteraceae", "scientificName": "Solidago simplex var. simplex", "scientificNameAuthorship": "Kunth", "genus": "Solidago", "subgenus": "", "specificEpithet": "simplex", "verbatimTaxonRank": "var.", "infraspecificEpithet": "simplex", "identifiedBy": "", "recordedBy": "Gordon S. Ringius", "recordNumber": "1953", "verbatimEventDate": "1984-08-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Thunder Bay", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}