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 CAPILLARE  W    S. S. VISHER     m?6 L.   0  united states  POALES >7    WOUNDED RIVER 0xX _    b< OGLALA LAKOTA  8|MZH south dakota   2167 =  POACEAE o0 vS   capillare OR    Km 1418688  >  Z 1911-08-09 panicum U   
{"catalogNumber": "1418688", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum capillare", "scientificNameAuthorship": "L.", "genus": "Panicum", "subgenus": "", "specificEpithet": "capillare", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "S. S. Visher", "recordNumber": "2167", "verbatimEventDate": "1911-08-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "South Dakota", "county": "Oglala Lakota", "municipality": "", "locality": "Wounded River", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}