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": ""}
  ? United States  s charles d. richards  /  houghton anton a. reznicek q9   Michigan ^c  ACORACEAE T   1950-07-12 J :   2 @ ~ -88.564159  |U!|C 1310988    -[$ north shore of otter lake   1a; L ACORALES    AMERICANUS @yL      %M+ (raf.) raf.    $r ACOUS
{"catalogNumber": "1310988", "order": "Acorales", "family": "Acoraceae", "scientificName": "", "scientificNameAuthorship": "(Raf.) Raf.", "genus": "Acorus", "subgenus": "", "specificEpithet": "americanus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Charles D. Richards", "recordNumber": "", "verbatimEventDate": "1950-07-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "north shore of Otter Lake", "decimalLatitude": "", "decimalLongitude": "-88.564159", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}