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": ""}
    ~ alnus  OTTAWA u  subsp.  7W:   r]`f INCANA      A*3C 1435861   m 4 D 3238  ba(4m rugosa FAGALES  zJFY  1943-06-29 X    alnus incana subsp. rugosa ,cnVf  ONTARIO (>@   Canada w   w. h. minshall 0la   ieg (du roi) r.7. clausen  
{"catalogNumber": "1435861", "order": "Fagales", "family": "", "scientificName": "Alnus incana subsp. rugosa", "scientificNameAuthorship": "(Du Roi) R.T. Clausen", "genus": "Alnus", "subgenus": "", "specificEpithet": "incana", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "rugosa", "identifiedBy": "", "recordedBy": "W. H. Minshall", "recordNumber": "3238", "verbatimEventDate": "1943-06-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Ottawa", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}