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": ""}
ontario mx   V|h>^ (A. BRAUN EX ENGELMs.) MAGNUS  alismatales $   [rW CANADA  1cN najas   M?[ William J. Crins  -,5  10486   Najas gracillima VG`     WoEHU 1996-09-07 hydrocharitaceae gP,      L (Pb 1458939   0 CONTACT UM HERBARIUM  ~ % GRACILLIMA     c9 ` Nipissing
{"catalogNumber": "1458939", "order": "Alismatales", "family": "Hydrocharitaceae", "scientificName": "Najas gracillima", "scientificNameAuthorship": "(A. Braun ex Engelm.) Magnus", "genus": "Najas", "subgenus": "", "specificEpithet": "gracillima", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William J. Crins", "recordNumber": "10486", "verbatimEventDate": "1996-09-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Nipissing", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}