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": ""}
 `R Ontario j. l. riley *NaEc     bbS: caMnada    wZ rainy river shoreline slope immediately south of la vallee 1976-07-13 ?ARYu     3965   b4t 1534188    asterales   ni% L.  ASTERACEAE sR   Tanacetum vulgare B^i+       ^z?j1 Tanacetum  $ RAINY RIVER vulgare _    9J 48Â° 32' N 93Â° 38'W
{"catalogNumber": "1534188", "order": "Asterales", "family": "Asteraceae", "scientificName": "Tanacetum vulgare", "scientificNameAuthorship": "L.", "genus": "Tanacetum", "subgenus": "", "specificEpithet": "vulgare", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. L. Riley", "recordNumber": "3965", "verbatimEventDate": "1976-07-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Rainy River", "municipality": "", "locality": "Rainy River shoreline slope immediately south of La Vallee", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "48\u00c2\u00b0 32' N 93\u00c2\u00b0 38'W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}