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": ""}
ver dry sandy. - 150 ft above river  _k    if 1941-06-07 CAMPANULACEAE    United States A JG   CAMPANULA ?   campanula rotundifoliaS /L%D?     2950 dx   t/Q; rotundifolia pine hills - bluffs on thornapple - between ada & cascade - t   .6[E< michigam      kent   wNM.U L. ASTERALES [ntb    1248523 w    A9 clayton w. bazuin
{"catalogNumber": "1248523", "order": "Asterales", "family": "Campanulaceae", "scientificName": "Campanula rotundifolia", "scientificNameAuthorship": "L.", "genus": "Campanula", "subgenus": "", "specificEpithet": "rotundifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Clayton W. Bazuin", "recordNumber": "2950", "verbatimEventDate": "1941-06-07", "habitat": "very dry sandy. - 150 ft above river", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Kent", "municipality": "", "locality": "Pine Hills - Bluffs on Thornapple - between Ada & Cascade -", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}