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": ""}
  ! MUHLENBERGIA  POALESKN  United 5tates Hhm   P cass        Cz  schreberi    IL8 EDWARD G. VOSS  1838-08-28  D+Rm  S.N. h#  j. f. gmel. _.5e    Gi<<Y 1239237   Poaceae a   John Wright +K   L  first geological survey of michigan, 1837â1840, douglass houghton, state geologist; abram sager, botanist and zoologist, 1837; john wright, state botanist, 1838, assisted by george h. bull[collections were made aug. 20 -  28, 1838, in css. co., chiefly near edwardsburgh] [label of na duplicate (na0073850) clearly has date as aug. 28, 1838] [na0073850: the pencil label appears to be in the hand of george h. bull, john wright's botany assistant ] 
{"catalogNumber": "1239237", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "J. F. Gmel.", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "schreberi", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "John Wright", "recordNumber": "s.n.", "verbatimEventDate": "1838-08-28", "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[Collections were made Aug. 20 - 28, 1838, in Cass. Co., chiefly near Edwardsburgh] [Label of NA duplicate (NA0073850) clearly has date as Aug. 28, 1838] [NA0073850: The pencil label appears to be in the hand of George H. Bull, John Wright's botany assistant ]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Cass", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}