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": ""}
      1991-04-12 K  carex .Uy6   5 united states  1389573 R_h_         mississippi   walthall K_   ^7(  0.8 mi e jct us hwy 98 bypass & ms hwy 27, e of mcgee creek.   Poales z8QK!    `yQ  10703  Ve, (TORR. EX L. H. BAILEY) L. H. BAILEY  
{"catalogNumber": "1389573", "order": "Poales", "family": "", "scientificName": "", "scientificNameAuthorship": "(Torr. ex L. H. Bailey) L. H. Bailey", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "10703", "verbatimEventDate": "1991-04-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Mississippi", "county": "Walthall", "municipality": "", "locality": "0.8 mi E jct US Hwy 98 Bypass & MS Hwy 27, E of McGee Creek.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}