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": ""}
 @WbO 1464287   L. |d: m    s.n. tR   Michigan H4  JULIUSw P. ROMEIN  ?N   :ct -83.74124 sinapis arvensis *     N brassicaceae  brassicales r     SINAPIS ?T   BOULEVARD, ANN ARBOR. 1  42.297051 K`b   45!R 1915-06-03     
{"catalogNumber": "1464287", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "Sinapis arvensis", "scientificNameAuthorship": "L.", "genus": "Sinapis", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Julius P. Romein", "recordNumber": "s.n.", "verbatimEventDate": "1915-06-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Boulevard, Ann Arbor.", "decimalLatitude": "42.297051", "decimalLongitude": "-83.74124", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}