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": ""}
 walter koelz e  45.933333 JN   SWhE ACUMINATUS JYUNCACEAE i     45Â° 56' N, 80Â° 55' W 4    4770 Eb@iY  ontario /K]E~      &a& michx. canada []&    -830.916667 ;    @d contact um herbarium   I o juncus  juncus acuminatus U 
{"catalogNumber": "", "order": "", "family": "Juncaceae", "scientificName": "Juncus acuminatus", "scientificNameAuthorship": "Michx.", "genus": "Juncus", "subgenus": "", "specificEpithet": "acuminatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter Koelz", "recordNumber": "4770", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "45.933333", "decimalLongitude": "-80.916667", "verbatimCoordinates": "45\u00c2\u00b0 56' N, 80\u00c2\u00b0 55' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}