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": ""}
    WALKER, Â¾ MI N OF M-50 ON WESTBELT LINE .     1940-05-20  l1 $p united states  |#;n~ clayton w. bazuin    1352702 4j     $VnXj HARVEY E. BALLARD, JR.  $eaZb pursh  Vt6  1405   viola ro4strata N/  rostrata -    Malpighiales g  MICHIGAN W   
{"catalogNumber": "1352702", "order": "Malpighiales", "family": "", "scientificName": "Viola rostrata", "scientificNameAuthorship": "Pursh", "genus": "", "subgenus": "", "specificEpithet": "rostrata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Harvey E. Ballard, Jr.", "recordedBy": "Clayton W. Bazuin", "recordNumber": "1405", "verbatimEventDate": "1940-05-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Walker, \u00c2\u00be mi N of M-50 on West Belt Line", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}