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": ""}
      47â° 03' 16" n 63â° 59' 41" w; 20 424447e 5211698n; map 21 p/01 d1g;z     $ n&c 47.054476     RNkW CAREX SILICEA         silicea       
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Carex silicea", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "silicea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "47.054476", "decimalLongitude": "", "verbatimCoordinates": "47\u00c2\u00b0 03' 16\" N 63\u00c2\u00b0 59' 41\" W; 20 424447E 5211698N; Map 21 P/01", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}