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": ""}
  1994-04-30 T     -= ? south caro|ina  ~ carex muehlenbergii var. muehlenbergii  Hitchcock Woods, two ponds along Balmetto Ridge. /EQ  poales Km    ~%rU 5909    FXA carex muehlenbergii  2s.l    VAR.     UNITED STATES l!)?.  AIKEN SIIZu    7 CYPERACEAE      M muehlenbergii  1379921 |pS4y  Philip E. Hyatt n9:R 
{"catalogNumber": "1379921", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex muehlenbergii var. muehlenbergii", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "muehlenbergii", "verbatimTaxonRank": "var.", "infraspecificEpithet": "muehlenbergii", "identifiedBy": "", "recordedBy": "Philip E. Hyatt", "recordNumber": "5909", "verbatimEventDate": "1994-04-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "South Carolina", "county": "Aiken", "municipality": "", "locality": "Hitchcock Woods, two ponds along Palmetto Ridge.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}