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": ""}
4650 (!    ER SUDBURY  1932-08-28 a  CANADA i   1515786 jf   g8=>= Wet ground # Ft. La Cloche   y<v FRAXINUS  LAMIALES YcHR  ontario . )     ]5t+q fraxinus pennsylvanica   aPW walter n. koelz    PENNSYLVANICA 9w@      A  OLEACEAE 
{"catalogNumber": "1515786", "order": "Lamiales", "family": "Oleaceae", "scientificName": "Fraxinus pennsylvanica", "scientificNameAuthorship": "", "genus": "Fraxinus", "subgenus": "", "specificEpithet": "pennsylvanica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "4650", "verbatimEventDate": "1932-08-28", "habitat": "Wet ground", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Sudbury", "municipality": "", "locality": "Ft. La Cloche", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}