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": ""}
  o? CERATOPHYLLUM MICHIGAN (     YtK`D "very abundant in 6 to 8 feet." -84.08333 1(     B 6~ l.  S 4  demersum   el CERATOPHYLLACEAE      @ 7298  C carl o. grassl united states 84    _Oxw 1311897  Z 1936-07-03  ;Z  Ceratophyllum demersum CERATOPHYLLALES  b8o[      c*4p4 WASHTENAW
{"catalogNumber": "1311897", "order": "Ceratophyllales", "family": "Ceratophyllaceae", "scientificName": "Ceratophyllum demersum", "scientificNameAuthorship": "L.", "genus": "Ceratophyllum", "subgenus": "", "specificEpithet": "demersum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "7298", "verbatimEventDate": "1936-07-03", "habitat": "", "occurrenceRemarks": "\"Very abundant in 6 to 8 feet.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-84.08333", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}