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": ""}
1930-08-24 R6,X@   !PK]@ Keweenaw  Michigan gr%  alleghaniensis 9   betula ~    ISLE ROYALE,2 MILES S OF TODD HARBOR. qqG    24H35 OncI    HP betula alleghaniensis   BRITTON jym  BETULACEAE yf<$    w V United States      Y5(S6 48.04806 
{"catalogNumber": "", "order": "", "family": "Betulaceae", "scientificName": "Betula alleghaniensis", "scientificNameAuthorship": "Britton", "genus": "Betula", "subgenus": "", "specificEpithet": "alleghaniensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "2435", "verbatimEventDate": "1930-08-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Keweenaw", "municipality": "", "locality": "Isle Royale, 2 miles S of Todd Harbor.", "decimalLatitude": "48.04806", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}