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": ""}
ken rogers, louise rogersUi    MD 1/2 mi east of oliver springs, along hwy 62.   w3u; 1383019   5 cyperaceae  -% pigra   1966-05-15 Ofk     VA( tennessee       CAREX eLDc<  Carex pigra gY    9 UNITEDSTATES   -%X 44744   cw Poa|es anderson   0l 
{"catalogNumber": "1383019", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex pigra", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "pigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ken Rogers, Louise Rogers", "recordNumber": "44744", "verbatimEventDate": "1966-05-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Tennessee", "county": "Anderson", "municipality": "", "locality": "1/2 mi east of Oliver Springs, along Hwy 62.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}