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": ""}
 panicum #t   2O.9j POACEAE  : panicum virgatum   -P Arlington      Nv,A*` L.   k  POALES     V)a C. O. ERLANSON  I(6! UNITED STATES  VIRGATUM PtF*e   240 x  1935-07-27 Ca   nm ON THE POTOMAC RIVER AT` CHAIN BRIDGE  <V  Virginia   1419204 kLCg 
{"catalogNumber": "1419204", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum virgatum", "scientificNameAuthorship": "L.", "genus": "Panicum", "subgenus": "", "specificEpithet": "virgatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. O. Erlanson", "recordNumber": "240", "verbatimEventDate": "1935-07-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Virginia", "county": "Arlington", "municipality": "", "locality": "on the Potomac River at Chain Bridge", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}