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": ""}
   B~ MICHIGAN  1259964 7cM          [BLH label change by OAF from Lake Linden to Ca|umet] Du(   3 -88.454006   hH_A> 1928-08-22      POALES ;  HOUGHTON OfF     Q*e@_ AGROSTIS GIGANTEA
{"catalogNumber": "1259964", "order": "Poales", "family": "", "scientificName": "Agrostis gigantea", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1928-08-22", "habitat": "", "occurrenceRemarks": "[BLH label change by OAF from Lake Linden to Calumet]", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-88.454006", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}