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": ""}
    50 1381476    Cyperaceae kn    baB a 1994-05-25     anton a. reznicek $,m  97T61 #t   n side will rogers turnpike (i-44), 11.1 mi ne of vinita (hwy 616, exit 289), just ne of horse creek bridge, by milepost 300. sU6wmk  UNITED STATES z$      8   TRS: T26N R22E SEC 29 NE1/4    
{"catalogNumber": "1381476", "order": "", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "9761", "verbatimEventDate": "1994-05-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "N side Will Rogers Turnpike (I-44), 11.1 mi NE of Vinita (Hwy 616, exit 289), just NE of Horse Creek Bridge, by milepost 300.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T26N R22E sec 29 NE1/4", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}