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": ""}
    -84.73515 q[ 8E     @W berteroa US-31 NEAR MACKINAW CITY 5:mU3   5 45.72871 Brassicaceae 2%Q2    ^ (L.) DC.  a john h. ehlers 1927-07-09 <^$   ]%4p united states incana Y 2:B   Michigan z_H         ROADSIDE 01c9   
{"catalogNumber": "", "order": "", "family": "Brassicaceae", "scientificName": "", "scientificNameAuthorship": "(L.) DC.", "genus": "Berteroa", "subgenus": "", "specificEpithet": "incana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "", "verbatimEventDate": "1927-07-09", "habitat": "Roadside", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "US-31 near Mackinaw City", "decimalLatitude": "45.72871", "decimalLongitude": "-84.73515", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}