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": ""}
 ON SILTY RIVER BANK. | ALNUS, SALIX SPP. tM-$e   +& ANDERSSON  WA claude e. garton   pi|Y 50.293583   weK  CLAUDE E.GARTON 1457329 4d ^       Canada ,~  pyrifolia     ontario 7%)      50Â°17'N,88Â°22'W ONhm  -88.371439 g9N    20868 f  bT 
{"catalogNumber": "1457329", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Andersson", "genus": "", "subgenus": "", "specificEpithet": "pyrifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Claude E. Garton", "recordedBy": "Claude E. Garton", "recordNumber": "20868", "verbatimEventDate": "", "habitat": "On silty river bank. | Alnus, Salix spp.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "", "decimalLatitude": "50.293583", "decimalLongitude": "-88.371439", "verbatimCoordinates": "50\u00c2\u00b017'N,88\u00c2\u00b022'W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}