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": ""}
dext3r twp., 6.5 miles nw dexter. north of little portage lake. 6QN$>      FREDERICK J. HERMANN Ub  =  rubus pubescens rk    sr.o? 1470860   Washtenaw `jo6z   -Qx Rosaceae          mark p. widrlechner  j Mossy knolls in tamarack bog. Michigan |X;     !eLF rubus   
{"catalogNumber": "1470860", "order": "", "family": "Rosaceae", "scientificName": "Rubus pubescens", "scientificNameAuthorship": "", "genus": "Rubus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Mark P. Widrlechner", "recordedBy": "Frederick J. Hermann", "recordNumber": "", "verbatimEventDate": "", "habitat": "Mossy knolls in tamarack bog.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Dexter Twp., 6.5 miles NW Dexter. North of Little Portage Lake.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}