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": ""}
   l,:n silhium l4c|niatum  ASTERACEAE PRzjR  UNITED STATES ( GH  ASTERALES y>:  silphium P!  S.N. h    S6@ 1892-08-01    ;|B W.S. Moffatt  F 1539480     &3U GRPM 42214   V=9 laciniatum  ILLINOIS m@    Chicago @dh p   ;0 3 L.  xB& cook
{"catalogNumber": "1539480", "order": "Asterales", "family": "Asteraceae", "scientificName": "Silphium laciniatum", "scientificNameAuthorship": "L.", "genus": "Silphium", "subgenus": "", "specificEpithet": "laciniatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W.S. Moffatt", "recordNumber": "s.n.", "verbatimEventDate": "1892-08-01", "habitat": "", "occurrenceRemarks": "GRPM 42214", "associatedTaxa": "", "country": "United States", "stateProvince": "Illinois", "county": "Cook", "municipality": "", "locality": "Chicago", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}