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": ""}
    a  South Carolina    7Pwe EMMONSII        0mY  VAR.     Jr7 1994-03-30    - j/d 33.370833    / (DEWEY EX TORR.) RETTIG   y. ALBICANS  ` Carex albicans var. emmonsi  ) AIKEN
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Carex albicans var. emmonsii", "scientificNameAuthorship": "(Dewey ex Torr.) Rettig", "genus": "", "subgenus": "", "specificEpithet": "albicans", "verbatimTaxonRank": "var.", "infraspecificEpithet": "emmonsii", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1994-03-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "South Carolina", "county": "Aiken", "municipality": "", "locality": "", "decimalLatitude": "33.370833", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}