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": ""}
     _e United States 41.917013 Ek      akr  BERRIEN engelm. AgI%W       %VW -86.592522   +) a michigan  DF Quercus muehlenb3rgii   S]tdo QUERCUS  k b^> cec|l billington   p],G 1356116  3Z[ 19K21-05-20  
{"catalogNumber": "1356116", "order": "", "family": "", "scientificName": "Quercus muehlenbergii", "scientificNameAuthorship": "Engelm.", "genus": "Quercus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Cecil Billington", "recordNumber": "", "verbatimEventDate": "1921-05-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Berrien", "municipality": "", "locality": "", "decimalLatitude": "41.917013", "decimalLongitude": "-86.592522", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}