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": ""}
 @PRit 1971-07-19 la7ifolium zRm 7      !!ED POACEAE        1284923 u-    4n2 DRY DECIDUOUS WOODS.  sl Poales panicum -<n     KB$ CANADA     l. I    222 g!  ANTON A. REZNICEK 4) 
{"catalogNumber": "1284923", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Panicum", "subgenus": "", "specificEpithet": "latifolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "222", "verbatimEventDate": "1971-07-19", "habitat": "Dry deciduous woods.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}