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": ""}
6926 -    t  SPHENOPHOLIS   l0uisiana ^    ~ 1424493 (MICHX.) SCRIBN. rd    SEC. 45, T18N, R3E +<    1984-05-08 5T<?     United States contact um herbarium  nv   david d. taylor Ta68  sphenopholis obtusata ay    X^R7 poales OUACHITA BwF      d;FH poaceae  YbYLw OBTUSA^TA  
{"catalogNumber": "1424493", "order": "Poales", "family": "Poaceae", "scientificName": "Sphenopholis obtusata", "scientificNameAuthorship": "(Michx.) Scribn.", "genus": "Sphenopholis", "subgenus": "", "specificEpithet": "obtusata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "David D. Taylor", "recordNumber": "6926", "verbatimEventDate": "1984-05-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Louisiana", "county": "Ouachita", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "Sec. 45, T18N, R3E", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}