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": ""}
         -86.25:471 1951-08-16 MG  44.686764 #S-gg     +C Panicum   ?1 panicum virgatum MICHIGAN m(     L. *3+#   12618 XH DM   `|kL%q 1307448  o&9F VRGATUM    W8 betsie point, ca. 3 miles north of frankfort;  W Roge|rs McVaugh Poales ZR   benzie ryj    [^x+  edward g. voss
{"catalogNumber": "1307448", "order": "Poales", "family": "", "scientificName": "Panicum virgatum", "scientificNameAuthorship": "L.", "genus": "Panicum", "subgenus": "", "specificEpithet": "virgatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "Rogers McVaugh", "recordNumber": "12618", "verbatimEventDate": "1951-08-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Benzie", "municipality": "", "locality": "Betsie Point, ca. 3 miles north of Frankfort;", "decimalLatitude": "44.686764", "decimalLongitude": "-86.25471", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}