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": ""}
   2% 41.93711  K FILL IN WOODED FLOODPLAIN      nigra  FE%  brassicacae 0dV^s   POC[S United States  f 7TU 1997-07-26  B/I robe:rt w. smith    i w ^ -83.94809 Brassica ]Jc~B    Brassica nigra Xb     (l.) w. d. j. koch m   Lenawee BTjW  
{"catalogNumber": "", "order": "", "family": "Brassicaceae", "scientificName": "Brassica nigra", "scientificNameAuthorship": "(L.) W. D. J. Koch", "genus": "Brassica", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "", "verbatimEventDate": "1997-07-26", "habitat": "fill in wooded floodplain", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Lenawee", "municipality": "", "locality": "", "decimalLatitude": "41.93711", "decimalLongitude": "-83.94809", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}