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": ""}
 1945-10-15 /^`2H    Texas SM    n*b 50240 wheeler Vt^*   3q 1419209  Kxb Panicum virgatum   *9d V. L. Cory   C 2 MILES SOUTH OMF SHAMROCK   H;^x L. virgatum `  ~ POALES   X -  KPOACEAE         Panicum 4p    v)kL, UNITED STATES
{"catalogNumber": "1419209", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum virgatum", "scientificNameAuthorship": "L.", "genus": "Panicum", "subgenus": "", "specificEpithet": "virgatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "V. L. Cory", "recordNumber": "50240", "verbatimEventDate": "1945-10-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Wheeler", "municipality": "", "locality": "2 miles south of Shamrock", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}