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": ""}
Tivoli P$fF   BO19U poaceae    )  : george l. fisher       |T; Texas PANICUM cs    A |419225 PANICUM VIRGATUM N,pT>      UNITED STATES hRZ-?  41104 NyK   virgatum M  1941-08-15  #      t|@q REFUGIO
{"catalogNumber": "1419225", "order": "", "family": "Poaceae", "scientificName": "Panicum virgatum", "scientificNameAuthorship": "", "genus": "Panicum", "subgenus": "", "specificEpithet": "virgatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George L. Fisher", "recordNumber": "41104", "verbatimEventDate": "1941-08-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Refugio", "municipality": "", "locality": "Tivoli", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}