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": ""}
    w# ! ASHE S.M. vq+ 1465846 +b      CRATAEGUS MARGARETTA      LENAWEE I   UNI7TED STATES _   1q=& 41.882013  margarett a lR   1983-05-21FoRkL!  Rosales uoy     $rxVYROSACEAE  >R robert w. smith MICHIGAN C    
{"catalogNumber": "1465846", "order": "Rosales", "family": "Rosaceae", "scientificName": "Crataegus margaretta", "scientificNameAuthorship": "Ashe", "genus": "", "subgenus": "", "specificEpithet": "margaretta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "s.n.", "verbatimEventDate": "1983-05-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Lenawee", "municipality": "", "locality": "", "decimalLatitude": "41.882013", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}