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": ""}
  echium b 7:n  [YEAR SHOULD BE 1920 - CF. OTHER SHEET AND DPL. IN HERB. UMBS]; 1920 [UNBS] @    M[0d Boraginaceae  ].1S United States  4~G L.     q~X 1224180     2  john h. ehlers  W  BORAGINALES  CHEBOYGAN  5X(I   W Roadside- Cheboygan-Levering Road west of LanCcaster Lake. Hre>   1921-07-19 F       R:qR echium vulgare  ! 1031
{"catalogNumber": "1224180", "order": "Boraginales", "family": "Boraginaceae", "scientificName": "Echium vulgare", "scientificNameAuthorship": "L.", "genus": "Echium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "1031", "verbatimEventDate": "1921-07-19", "habitat": "Roadside-", "occurrenceRemarks": "[year should be 1920 - cf. other sheet and dupl. in herb. UMBS]; 1920 [UMBS]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Cheboygan", "municipality": "", "locality": "Cheboygan-Levering Road west of Lancaster Lake.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}