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": ""}
 C0b Ouachita National Forest.  CYPERACEAE UxhG   ARKANSAS  k  1380596 $   trs: t1n r29w sec 26 oV/    mT ?xPOALES United States 44   mQ carex nigromarginata  7l scott     9r.V  PHILI E. HYATT NIGROMARGINATA Ix  SCHWEIN. .w     +pi CAREX    1996-04-13 08t   6927 s E 
{"catalogNumber": "1380596", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex nigromarginata", "scientificNameAuthorship": "Schwein.", "genus": "Carex", "subgenus": "", "specificEpithet": "nigromarginata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Philip E. Hyatt", "recordNumber": "6927", "verbatimEventDate": "1996-04-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Scott", "municipality": "", "locality": "Ouachita National Forest.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T1N R29W sec 26", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}