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": ""}
   JM PANICUM VERRUCOSUM      I PICAYUNE, MISS., CA.8 MI. NW OF   1419126 @+  poaceae lk    ) POALES f. h. sargent ovo v  PEARL RIVER V*_8/      US6D MUHL.     9483    -u  1967-09-26   UNITED STATES BCex 
{"catalogNumber": "1419126", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum verrucosum", "scientificNameAuthorship": "Muhl.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F. H. Sargent", "recordNumber": "9483", "verbatimEventDate": "1967-09-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Pearl River", "municipality": "", "locality": "Picayune, Miss., ca.8 mi. NW of", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}