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": ""}
 lqR U 1906-08-24   7z] nigra    L. k/W^   | Juglans   twg 1349218  h UNITED STATES  [& 42.114637   NW KEELER.   zYz MICHIGAN -86.166386 vm   julandaceae S  fagales A  [THE YOUNGER 5PECIMEN WAS SURELY NOT COLLECTED AUG. 41; IT HAS MORE PUBESCENCE ABOVE LEAF SCARS THANUSUAL FOR NIGRA BUT PITH IS LIGHT] GiEqs    Lh VAN BUREN  FRANK C. GATES d$v<c   ^B(Gj Juglans nigra  s7@?e 1477
{"catalogNumber": "1349218", "order": "Fagales", "family": "Juglandaceae", "scientificName": "Juglans nigra", "scientificNameAuthorship": "L.", "genus": "Juglans", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frank C. Gates", "recordNumber": "1477", "verbatimEventDate": "1906-08-24", "habitat": "", "occurrenceRemarks": "[The younger specimen was surely not collected Aug. 41; it has more pubescence above leaf scars than usual for nigra but pith is light]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Van Buren", "municipality": "", "locality": "Keeler.", "decimalLatitude": "42.114637", "decimalLongitude": "-86.166386", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}