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": ""}
1479910 |[   Seedling of B.V. Barnes 661114 (Type tree), from Washtenaw Co. Michigan  ]  M    Washtenaw ;@v[y     SN$ MICHIGAN  murrayana r      BETULA V>(@    z@W9 UNITED STATES  _a- Betulaceae    f0dR Barnes & Dancik   s fagales   . anton a. reznicek  aS betula murrayana Burton V. Barnes #  
{"catalogNumber": "1479910", "order": "Fagales", "family": "Betulaceae", "scientificName": "Betula murrayana", "scientificNameAuthorship": "Barnes & Dancik", "genus": "Betula", "subgenus": "", "specificEpithet": "murrayana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Burton V. Barnes", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Seedling of B.V. Barnes 661114 (Type tree), from Washtenaw Co. Michigan", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}