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": ""}
 ,o -91.580965      mNS ozarkana            United States   p.o. hazen. lM.X   POALES g50   Carex ozarkana bI>W7     p 1970-05-20  
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Carex ozarkana", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "ozarkana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1970-05-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "P.O. Hazen.", "decimalLatitude": "", "decimalLongitude": "-91.580965", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}