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": ""}
     tom dempsey  s.n. ls3z          y=8M dipsacales 79â° 36' 20" n 43â° 31' w QX    Rattray Marsh, Mississauga, Toronto Tp., due east of Clarkson (Ra_ttray Marsh Conservation Area)  %X            
{"catalogNumber": "", "order": "Dipsacales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Tom Dempsey", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Rattray Marsh, Mississauga, Toronto Tp., due east of Clarkson (Rattray Marsh Conservation Area)", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "79\u00c2\u00b0 36' 20\" N 43\u00c2\u00b0 31' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}