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_H burleigh township, stoplog lake, utm 195506, map 31d/9, square 17qv15  najas gracillima M1S=      A. Braun ex Engelm.) Magnus bv       &CQ michael j. oldham      _Bpr HYDROCHARITACEAE   Dd PETERBOROUGH   Ontario NV~u    
{"catalogNumber": "", "order": "", "family": "Hydrocharitaceae", "scientificName": "Najas gracillima", "scientificNameAuthorship": "(A. Braun ex Engelm.) Magnus", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "Peterborough", "municipality": "", "locality": "Burleigh Township, Stoplog Lake, UTM 195506, map 31D/9, square 17QV15", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}