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": ""}
   !Z 81â° 49' n, 71â° 18' w  iQ; 1438476     d. gordon   aMQ B|storta vivipara  Aw QIKIQTAALUK     ak Nunavut  !rD (L.) Delarbre  =)# 8 Canada   -71.3 6^?     POLYGONACEAE 8pRK      81.816667 )0A+E 
{"catalogNumber": "1438476", "order": "", "family": "Polygonaceae", "scientificName": "Bistorta vivipara", "scientificNameAuthorship": "(L.) Delarbre", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "D. Gordon", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Nunavut", "county": "Qikiqtaaluk", "municipality": "", "locality": "", "decimalLatitude": "81.816667", "decimalLongitude": "-71.3", "verbatimCoordinates": "81\u00c2\u00b0 49' N, 71\u00c2\u00b0 18' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}