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 s]   S.N.  -     9 -4| CHARLES F. WHEELER   1892-08-19 >q      e 42.124551 UNITED STATES =:l1  Watkins Station .AI     edward g. voss E   $jPt [msc has date: "7/19/9Q2"] [msc sheet also !fairbrothers 1955] [cited, h. & c. 1910 p. 56]     zXn -84.43234
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Panicum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "Charles F. Wheeler", "recordNumber": "s.n.", "verbatimEventDate": "1892-08-19", "habitat": "", "occurrenceRemarks": "[MSC has date: \"7/19/92\"] [MSC sheet also !Fairbrothers 1955] [Cited, H. & C. 1910 p. 56]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Watkins Station", "decimalLatitude": "42.124551", "decimalLongitude": "-84.143234", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}