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": ""}
  B 1957-05-16 Cornaceae VSA  Cornus yy   4J Edward G. Voss    7= 1473934   L. !>g   s 3764      D ca. 1 mi. S. of Rothbury.  Ocea[na  +o     n6L united states  UknQ florida  FREQUENT IN DRY OAK WOODS. +[X   !pu CORNALES 
{"catalogNumber": "1473934", "order": "Cornales", "family": "Cornaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Cornus", "subgenus": "", "specificEpithet": "florida", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "3764", "verbatimEventDate": "1957-05-16", "habitat": "Frequent in dry oak woods.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Oceana", "municipality": "", "locality": "ca. 1 mi. S. of Rothbury.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}