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": ""}
891 o        United States  :u   E$-%D SEVERAL STEMS AND MANY DEAD STEMS , TO CA. 4 FEET TALL. STEMS CA. ONE CENTIMETER IN DIAMETER  AND GLABROUS ON LOWER HALF. anton a. reznicek iz|q    K h RUSSELL G. SCHIPPER  (L.) W. D. J. KOCH  n    BRASSICALES  0?kw  BRASSICACEAE Aak   1513428 .%)   gr_ 2016-09-14  3>( brassica niYgra michigan ,      0D $E nigra at the top of bluff above lake. with ailanthus altissima, fallopia scandens, arctium minus. EV1 
{"catalogNumber": "1513428", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "Brassica nigra", "scientificNameAuthorship": "(L.) W. D. J. Koch", "genus": "", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Russell G. Schipper", "recordNumber": "891", "verbatimEventDate": "2016-09-14", "habitat": "At the top of bluff above lake. With Ailanthus altissima, Fallopia scandens, Arctium minus.", "occurrenceRemarks": "Several stems and many dead stems , to ca. 4 feet tall. Stems ca. one centimeter in diameter and glabrous on lower half.", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}