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": ""}
     cnt act um herbarium x7  LEWIS E. WEHMEYER 3@    IDAHO I   8  1207519    345 T13o   _ calamus  Cn ACORUS   #o acorus calamus  w W united states  ACORACEAE k~HE   L. p;~ T   1922-08-26 3]6   
{"catalogNumber": "1207519", "order": "", "family": "Acoraceae", "scientificName": "Acorus calamus", "scientificNameAuthorship": "L.", "genus": "Acorus", "subgenus": "", "specificEpithet": "calamus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Lewis E. Wehmeyer", "recordNumber": "345", "verbatimEventDate": "1922-08-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Idaho", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}