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": ""}
1419145 @    kWY Panicum verrucosum   7: 3608   D4#N Litle Rock  E PULA5KI     VERRUCOSUM T O    *(KU[ h. e. hasse   Poaceae X  Panicum ?|        av Muhl.   
{"catalogNumber": "1419145", "order": "", "family": "Poaceae", "scientificName": "Panicum verrucosum", "scientificNameAuthorship": "Muhl.", "genus": "Panicum", "subgenus": "", "specificEpithet": "verrucosum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. E. Hasse", "recordNumber": "3608", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Pulaski", "municipality": "", "locality": "Little Rock", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}