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": ""}
   ALd&g 1972-09-03 conc. ii lot 24, innisfil twp., degrassi pt.     Poales R     % Z CANADA POACEAE @7 V|   ! iK Simcoe SORGHASTRUM       ANTON A. REZNICEK a!^   [ d4 Sorghastrum nutans   Ontario @    1284826 nU?G   (L.) Nash hF     nutans d[MG    _  2344
{"catalogNumber": "1284826", "order": "Poales", "family": "Poaceae", "scientificName": "Sorghastrum nutans", "scientificNameAuthorship": "(L.) Nash", "genus": "Sorghastrum", "subgenus": "", "specificEpithet": "nutans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "2344", "verbatimEventDate": "1972-09-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "Conc. II Lot 24, Innisfil Twp., DeGrassi Pt.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}