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": ""}
   D united states   47.235095 c+E   ` Rumex -88.436649 6@]  ALDER SWAMP. FC,    q;Z;h near laurium.  Polygonaceae unu  HOUGHTON oXW    1926-07-20 4Ny  FREDERICK J. HERM4NN =(g M   vU2 Rumex obtusifolius   6bo i OBTUSIFOLIUS   598 G     .In? 1471417 Michigan l5  
{"catalogNumber": "1471417", "order": "", "family": "Polygonaceae", "scientificName": "Rumex obtusifolius", "scientificNameAuthorship": "", "genus": "Rumex", "subgenus": "", "specificEpithet": "obtusifolius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frederick J. Hermann", "recordNumber": "598", "verbatimEventDate": "1926-07-20", "habitat": "Alder swamp.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "Near Laurium.", "decimalLatitude": "47.235095", "decimalLongitude": "-88.436649", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}