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": ""}
 Bw$k9 1947-09-06 "shrb 1.5 mi. high" Gn]Y      ?E!*P JOHN S. DRUMKE      I 8905 betulaceae QP   ^yM -84.69349     Yx51 Corylus  united states& GR_x2    EV corylus cornuta    Marshall <M,CP    
{"catalogNumber": "", "order": "", "family": "Betulaceae", "scientificName": "Corylus cornuta", "scientificNameAuthorship": "Marshall", "genus": "Corylus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "John S. Drumke", "recordedBy": "", "recordNumber": "8905", "verbatimEventDate": "1947-09-06", "habitat": "", "occurrenceRemarks": "\"Shrub 1.5 mi. high\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-84.69349", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}