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": ""}
   ) Muhl. ex Nutit.        L52 1220263    !u5f michigan     &= -# Gentiana alba      sc  alba     U3 edward g. voss  ) United States  first geological survey of michigan, 1837â1840, douglass houghton, sta7e geologist; abram sager, botanist and zoologist, 1837; john wright, state botanist, 1838, assisted by george h. bull [the data in +ink on this sheet are in the hand of mark w. harrington, ca. 1870] [cooroinates are for downtown centreville]  M#3L 
{"catalogNumber": "1220263", "order": "", "family": "", "scientificName": "Gentiana alba", "scientificNameAuthorship": "Muhl. ex Nutt.", "genus": "", "subgenus": "", "specificEpithet": "alba", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "First Geological Survey of Michigan, 1837\u00e2\u0080\u00931840, Douglass Houghton, State Geologist; Abram Sager, Botanist and Zoologist, 1837; John Wright, State Botanist, 1838, assisted by George H. Bull [The data in ink on this sheet are in the hand of Mark W. Harrington, ca. 1870] [Coordinates are for downtown Centreville]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}