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": ""}
   <S5 (A. BRAUN EX ENGELM.) MAGbNUS hydrocharitaceae t    8V 4138   4tz0a canada    Njmm^ GRACILIMA   Kv najas  naj&as gracillima X$.2F  R.S.W. BOBBETTE Ws       alismatales SU=0X  1974-08-25 r 6   0 simcoe    
{"catalogNumber": "", "order": "Alismatales", "family": "Hydrocharitaceae", "scientificName": "Najas gracillima", "scientificNameAuthorship": "(A. Braun ex Engelm.) Magnus", "genus": "Najas", "subgenus": "", "specificEpithet": "gracillima", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R.S.W. Bobbette", "recordNumber": "4138", "verbatimEventDate": "1974-08-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "Simcoe", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}