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": ""}
      ! ACORAC-EAE   9;Eu CARL O. GRASSL     [: ontario Acorus  +  Contact UM Herbarium 5  1932-09-02 F$)w)     Rp+ l. ACORUS CALAMUS 5e6  calamus_ O    SO% CANADA 1207515 l+-   3797 fJu[M    WTUk Acorales 
{"catalogNumber": "1207515", "order": "Acorales", "family": "Acoraceae", "scientificName": "Acorus calamus", "scientificNameAuthorship": "L.", "genus": "Acorus", "subgenus": "", "specificEpithet": "calamus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "3797", "verbatimEventDate": "1932-09-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}