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": ""}
 Carl O. Grassl vz   oZh   46â°24'n81â°14'w   1 1936-08-13 flexilis 0-  -81.2333333333  x# =  502  a?|7    canada  b 5Q    <y 46.4 Najkas 1j  y    j&> sudbury   _O9*? 1432704  NEAR WHITEFISH, VERMILION RIVER |i|   F HYDROHARITACEAE  ONTARIO _a 8r  Najas flexilis  4^x  Alismatales G!  (WILLD.) ROSTK. & W. L. E. SCHMIDT fr-   
{"catalogNumber": "1432704", "order": "Alismatales", "family": "Hydrocharitaceae", "scientificName": "Najas flexilis", "scientificNameAuthorship": "(Willd.) Rostk. & W. L. E. Schmidt", "genus": "Najas", "subgenus": "", "specificEpithet": "flexilis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "7502", "verbatimEventDate": "1936-08-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Sudbury", "municipality": "", "locality": "Near Whitefish, Vermilion River", "decimalLatitude": "46.4", "decimalLongitude": "-81.2333333333", "verbatimCoordinates": "46\u00c2\u00b024'N81\u00c2\u00b014'W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}