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": ""}
 %x 1223434  myriophUyllum 2 _97   ?Z Myriophyllum heterophyllum  Conc. VII, Lot 2, Matchedash Twp. zL    R6 anton a. reznicek   Ontario    1974-08-22  |%   heterophyllum (^afb      MQ# Canada   &! mixed collection--on same sheet as UtriculaPria gibba (barcode number: 1223395)  e<D l Robin W. Scribailo, Mitcbell S. Alix    fZ.! 4284  j haloragaceae  JY` SIMCOE  =H saxifragales  D_ Michx.
{"catalogNumber": "1223434", "order": "Saxifragales", "family": "Haloragaceae", "scientificName": "Myriophyllum heterophyllum", "scientificNameAuthorship": "Michx.", "genus": "Myriophyllum", "subgenus": "", "specificEpithet": "heterophyllum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Robin W. Scribailo, Mitchell S. Alix", "recordedBy": "Anton A. Reznicek", "recordNumber": "4284", "verbatimEventDate": "1974-08-22", "habitat": "", "occurrenceRemarks": "mixed collection--on same sheet as Utricularia gibba (barcode number: 1223395)", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "Conc. VII, Lot 2, Matchedash Twp.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}