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": ""}
   @k= PANICUM DICHOTOMIFLORUM   Q,cO united states Philadelphia !]j   |A PANICUM  3782 7z  Pennsylvania 8B&@  west philadelphia -qk  michx. OX .  F. J. HERMANN .5Y    QsfK 1418816     Poaceae kA/9Y     yK dichotomiflorum  S Poales    Z|3& 1932-09-06 
{"catalogNumber": "1418816", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum dichotomiflorum", "scientificNameAuthorship": "Michx.", "genus": "Panicum", "subgenus": "", "specificEpithet": "dichotomiflorum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F. J. Hermann", "recordNumber": "3782", "verbatimEventDate": "1932-09-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Pennsylvania", "county": "Philadelphia", "municipality": "", "locality": "West Philadelphia", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}