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": ""}
   var. u4 b   c2NX canada  1447623 7mj    g[@G? 1912-08-01 Prince Edward Island oy     UzV,^ bufonius  /G   BOGGY DITCHES 7133 ,v       juncus bufonius var. bufonius 3       Brackley Pint Roao. y   JUNACEAE !48Z 
{"catalogNumber": "1447623", "order": "", "family": "Juncaceae", "scientificName": "Juncus bufonius var. bufonius", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "bufonius", "identifiedBy": "", "recordedBy": "", "recordNumber": "7133", "verbatimEventDate": "1912-08-01", "habitat": "Boggy ditches", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Prince Edward Island", "county": "", "municipality": "", "locality": "Brackley Point Road.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}