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": ""}
 -% asterales  1482398 [6/R   silphium terebinthinaceum x$    ^- SILPHIUM WILLIAM B. REW  e  terebinthinaceum pR3    moist swale, roadside. 6P2zp    mR S OF BU=CHANAN.  b  M159   s$3 Michigan 41.82722  ^,    a BERRIEN  united states    -86.36111 s<  1947-08-15 =h=X   asteaceaOe  !  JACQ. j Y 
{"catalogNumber": "1482398", "order": "Asterales", "family": "Asteraceae", "scientificName": "Silphium terebinthinaceum", "scientificNameAuthorship": "Jacq.", "genus": "Silphium", "subgenus": "", "specificEpithet": "terebinthinaceum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William B. Drew", "recordNumber": "M159", "verbatimEventDate": "1947-08-15", "habitat": "Moist swale, roadside.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Berrien", "municipality": "", "locality": "S of Buchanan.", "decimalLatitude": "41.82722", "decimalLongitude": "-86.36111", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}