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": ""}
   @Q Mason 2009-06-20 7Y    ~o=5S 44.0506333  8David C. Dister    Michigan J  (L.) DREJER >nZj  Anton A. Reznicek +         /  1477576 flexuosa   D  -86.4895667 A64X9    b POALES  <4 LUDINGTON STATE PARK     
{"catalogNumber": "1477576", "order": "Poales", "family": "", "scientificName": "", "scientificNameAuthorship": "(L.) Drejer", "genus": "", "subgenus": "", "specificEpithet": "flexuosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "David C. Dister", "recordNumber": "", "verbatimEventDate": "2009-06-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Mason", "municipality": "", "locality": "Ludington State Park", "decimalLatitude": "44.0506333", "decimalLongitude": "-86.4895667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}