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": ""}
  b 1937-07-05    IM$ 8983   42.32307 f^/     Campanulaceae |xUY`   -83.80077 f,J9   l CAMPANULA ROTUNDIFOLIA     asterales q hw       pH HURON RIVER DRIVE, 3 MILES NW. ANN ARBOR   GRASSY SLOPE, TERRACE OF HURON RIVER, lQ<D   L. V`Aq 
{"catalogNumber": "", "order": "Asterales", "family": "Campanulaceae", "scientificName": "Campanula rotundifolia", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "8983", "verbatimEventDate": "1937-07-05", "habitat": "Grassy slope, terrace of Huron River,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Huron River Drive, 3 miles NW. Ann Arbor", "decimalLatitude": "42.32307", "decimalLongitude": "-83.80077", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}