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": ""}
 ,d  Conc. II, Lot 17, Matchedash twp. (S half), Port Severn, 3 1/2 mi. east north-east oof  r689, ROBIN W. SCRIBAILO, MITCHELL S. ALIX  3984 2  r.s.w. bobbette PS7>   !<b Ontario  a.eV 1973-09-02           a/m SAXIFRAGALES  2 1223396      Yqa simcoe  Z:?9 DC. Canada H  MYRIOPHYLLUM ALTERNIFLORUM 4:   *%D Myriophyllum
{"catalogNumber": "1223396", "order": "Saxifragales", "family": "", "scientificName": "Myriophyllum alterniflorum", "scientificNameAuthorship": "DC.", "genus": "Myriophyllum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Robin W. Scribailo, Mitchell S. Alix", "recordedBy": "R.S.W. Bobbette", "recordNumber": "3984", "verbatimEventDate": "1973-09-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "Conc. II, Lot 17, Matchedash twp. (S half), Port Severn, 3 1/2 mi. east north-east of", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}