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": ""}
   06x BRASSICA NIGRA  brassica vyiND  s.n. A!c  -82.42491 aC  a common weed. IV9D/   united states Z m   Pf st. clair  brassicaceae 5:  noticed mostly in the waste places of cities and villages. m~    42.97086 _  1895-08-31  )   9 Near Port Huron   U=w Michigan  1462157 *|    F_ (L.) W. D. J. KOCH    
{"catalogNumber": "1462157", "order": "", "family": "Brassicaceae", "scientificName": "Brassica nigra", "scientificNameAuthorship": "(L.) W. D. J. Koch", "genus": "Brassica", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1895-08-31", "habitat": "Noticed mostly in the waste places of cities and villages.", "occurrenceRemarks": "A common weed.", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "St. Clair", "municipality": "", "locality": "Near Port Huron", "decimalLatitude": "42.97086", "decimalLongitude": "-82.42491", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}