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": ""}
 CYPERACEAE + 5=p  Le Flore y) C  United States .   nigromarginata ?B    poales 0x    Carex Y &    -.& Anton A. Reznicek    TRS: T1N R23E sec 33 SW1/4  Mu4  CAREX NIGROMARGINATA  qGI  OKLAHOMA ?|          &jP~ schwein.
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex nigromarginata", "scientificNameAuthorship": "Schwein.", "genus": "Carex", "subgenus": "", "specificEpithet": "nigromarginata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Oklahoma", "county": "Le Flore", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T1N R23E sec 33 SW1/4", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}