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": ""}
            POALES a    CYPERACEAE !,M7   CAREX p?     trs: t4s r28w sec 21 6 R  arkansas 7.:$^  ignota #xk3.    >F_ OUACHITA NATIONAL FOREST, 1.0 MI E ON USFR 106 FROM BAIRD SPRINGS SHE1TER AREA. 
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "ignota", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Arkansas", "county": "", "municipality": "", "locality": "Ouachita National Forest, 1.0 mi E on USFR 106 from Baird Springs Shelter Area.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T4S R28W sec 21", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}