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": ""}
    [Dg LAEVE  Wd -85.46491 Kent kN    Symphyotrichum laeve _xaG     (L.) . LÃ¶ve & D. LÃ¶ve o  Asteraceae ?   ` united states   4275  HdCx   N  1250876  43.07533 Yb   Dry sandy woods ^]     Q5O0 symphyotrichum  
{"catalogNumber": "1250876", "order": "", "family": "Asteraceae", "scientificName": "Symphyotrichum laeve", "scientificNameAuthorship": "(L.) \u00c3\u0081. L\u00c3\u00b6ve & D. L\u00c3\u00b6ve", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "laeve", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4275", "verbatimEventDate": "", "habitat": "Dry sandy woods", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Kent", "municipality": "", "locality": "", "decimalLatitude": "43.07533", "decimalLongitude": "-85.46491", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}