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": ""}
  C 197   +j ARACEAE    arisaema #   7Q ? (L.) Schott  alismatales u4-Q  DR4CONTIUM d      1876-06-01    UNITED STATES pZ1W   K LaSalle  qb arisaema dracontium  + William Wirt Calkins  no data provided on label of catalog no: 1662184 uY>8   f?ext 1662184 illinois r   
{"catalogNumber": "1662184", "order": "Alismatales", "family": "Araceae", "scientificName": "Arisaema dracontium", "scientificNameAuthorship": "(L.) Schott", "genus": "Arisaema", "subgenus": "", "specificEpithet": "dracontium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William Wirt Calkins", "recordNumber": "197", "verbatimEventDate": "1876-06-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Illinois", "county": "LaSalle", "municipality": "", "locality": "No data provided on label of catalog no: 1662184", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}