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": ""}
  S.N. %Mv    38.420901 1%  gigantea F4   ) -76.945582   ^ rudge    : zekiah swamp, about 1/2 mile north of rte 234 on the west sid of wicomico river. Cyperaceae :A8          9 CAREX GIGANTEA      1991-06-19 BT5 
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Carex gigantea", "scientificNameAuthorship": "Rudge", "genus": "", "subgenus": "", "specificEpithet": "gigantea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1991-06-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Zekiah Swamp, about 1/2 mile north of Rte 234 on the west side of Wicomico River.", "decimalLatitude": "38.420901", "decimalLongitude": "-76.945582", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}