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": ""}
   x? (L.) BRITTON    -81.9 z_   4071 P=h   Carl O. Grassl =r      Sdjb  dulichium arundinaceum      ]Y Dulichium 1394823 8Am  1932-08-29 qO   ARUNDNACEUM z6  46.1 1   ~Mh ontario   S sudbury
{"catalogNumber": "1394823", "order": "", "family": "", "scientificName": "Dulichium arundinaceum", "scientificNameAuthorship": "(L.) Britton", "genus": "Dulichium", "subgenus": "", "specificEpithet": "arundinaceum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "4071", "verbatimEventDate": "1932-08-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "Sudbury", "municipality": "", "locality": "", "decimalLatitude": "46.1", "decimalLongitude": "-81.9", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}