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": ""}
49478 )              cyperacea3 ^#   (ND^ north carolina  r.k. godfrey, william b. fox pDX,   AH^x 19 ILES NW OF ELIZABETHTOWN.  Rhynchospora microcephala   e7   (Britton) Britton Hv2wq      
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Rhynchospora microcephala", "scientificNameAuthorship": "(Britton) Britton", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R.K. Godfrey, William B. Fox", "recordNumber": "49478", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "North Carolina", "county": "", "municipality": "", "locality": "19 miles NW of Elizabethtown.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}