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": ""}
   (mill.) k. koch Cix#       (PLqc 4629   +r Ruth B. (lford-) MacFarlane  "15-FT SLENDER TREE, 1-1/2 IN DBH;m BARK ROUGH-SPECKLED ABOVE, FINE-FLAKING BELOW." XUi   Ug(v UNITED STATES FAGALES ro         dE]kN MichigaCn  1984-07-18 & Qo[   2 Betulaceae  
{"catalogNumber": "", "order": "Fagales", "family": "Betulaceae", "scientificName": "", "scientificNameAuthorship": "(Mill.) K. Koch", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ruth B. (Alford) MacFarlane", "recordNumber": "4629", "verbatimEventDate": "1984-07-18", "habitat": "", "occurrenceRemarks": "\"15-ft slender tree, 1-1/2 in DBH; bark rough-speckled above, fine-flaking below.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}