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": ""}
   1308592 ! a   _% poales  ME(t[ poaceae  8904 l      (6b Nash hillsdale 7k ?    ( d*, PANICUM GATTIGERI  Q!2E ne1/4 sect. 4, t9s r4w, ca. 2 1/2 mi. ssw of camden.   ~ gattingeri  8%vH+ 1991-09-03    # ANTON A. REZNICEK MICHIGAN Ufx<D  41.72066 r(H>  United States !  -84.77103 F      6L dry, gravelly road shoulder. abundant.
{"catalogNumber": "1308592", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum gattingeri", "scientificNameAuthorship": "Nash", "genus": "", "subgenus": "", "specificEpithet": "gattingeri", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "8904", "verbatimEventDate": "1991-09-03", "habitat": "Dry, gravelly road shoulder. Abundant.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Hillsdale", "municipality": "", "locality": "NE1/4 sect. 4, T9S R4W, ca. 2 1/2 mi. SSW of Camden.", "decimalLatitude": "41.72066", "decimalLongitude": "-84.77103", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}