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": ""}
 ^PW + ARKANSAS    !RYd strigosus     ;5r 274    K=#T5 cyperus   hgI van buren  a Poales  1975-07-14 NrQ   9973        united states OtV    ,I cyperaceae   Cc[Oa P.O. Clinton, the Ozak Region. 
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Cyperus", "subgenus": "", "specificEpithet": "strigosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "9973", "verbatimEventDate": "1975-07-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Van Buren", "municipality": "", "locality": "P.O. Clinton, the Ozark Region.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "274", "maximumElevationInMeters": ""}