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": ""}
    U 4187  ;] CONTACT UM HERBARIUM  )^af- ceratophyllum      jsz.H 1974-08-22      anton a. reznicek OKrZO   1305723 s  CERATOPHYLLACEAE Z~t   Canada X[S  A. Gray </b   ?~UT Ontario ceratophyllum echinatum +Y  echinatum  Jj|   zi simcoe    cerat0phyllales
{"catalogNumber": "1305723", "order": "Ceratophyllales", "family": "Ceratophyllaceae", "scientificName": "Ceratophyllum echinatum", "scientificNameAuthorship": "A. Gray", "genus": "Ceratophyllum", "subgenus": "", "specificEpithet": "echinatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "4187", "verbatimEventDate": "1974-08-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}