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": ""}
poales      UNITED SATES _by      1946-08-05   n   $ cyperaceae  sp97y Silver Bow Basin.      MACROCHAETA [[G4[   G& Jean Greany     s.n.       , [x Alaska  S% wb carex macrochaeta  
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex macrochaeta", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "macrochaeta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Jean Greany", "recordNumber": "s.n.", "verbatimEventDate": "1946-08-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alaska", "county": "", "municipality": "", "locality": "Silver Bow Basin.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}