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": ""}
    .+ Ouachita  1970-10-25 vXY    y  at edge of cheniere lake, area 7, west of west monroe      VIRGATUM W2  1419224 ] $    R. Dale Thomas Fs  Poaceae A,     PANICUM Zz)  PANICUM VIRGATUM 1qZn    ZzkL Louisiana 22192 ?MC 
{"catalogNumber": "1419224", "order": "", "family": "Poaceae", "scientificName": "Panicum virgatum", "scientificNameAuthorship": "", "genus": "Panicum", "subgenus": "", "specificEpithet": "virgatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. Dale Thomas", "recordNumber": "22192", "verbatimEventDate": "1970-10-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Louisiana", "county": "Ouachita", "municipality": "", "locality": "At edge of Cheniere Lake, Area 7, west of West Monroe", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}