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": ""}
       M+rO united states WILLD. 5    47.468857 6n0D  MICHIGAN eS7  polygala   ?b   ) -87.892441   ^-v polygalaceae  s.n. ;,cCD   S8C/ 1931-06-01 COPPER HARBOR. i   F 1472537   K,, fabales    sl N.A. Wood   c!z? POLYGALA PAUCIFOLIA Keweenaw U  
{"catalogNumber": "1472537", "order": "Fabales", "family": "Polygalaceae", "scientificName": "Polygala paucifolia", "scientificNameAuthorship": "Willd.", "genus": "Polygala", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "N.A. Wood", "recordNumber": "s.n.", "verbatimEventDate": "1931-06-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Keweenaw", "municipality": "", "locality": "Copper Harbor.", "decimalLatitude": "47.468857", "decimalLongitude": "-87.892441", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}