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": ""}
   1949-06-15  3vO@ 49347    KM~ Cyperaceae   r.k. godfrey hrC    BJF A. Gray  E094A POALES North Carolina R        brunswick p[   %j MARSH BRANCH, ALONG RIVER ROAD NORTH OF SOUTHPORT. filifolia PL    w^   united states   j  rhynchospora 1400088 ?r    /_l;j RHYNCHSPORA FILIFOLIA
{"catalogNumber": "1400088", "order": "Poales", "family": "Cyperaceae", "scientificName": "Rhynchospora filifolia", "scientificNameAuthorship": "A. Gray", "genus": "Rhynchospora", "subgenus": "", "specificEpithet": "filifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R.K. Godfrey", "recordNumber": "49347", "verbatimEventDate": "1949-06-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "North Carolina", "county": "Brunswick", "municipality": "", "locality": "Marsh Branch, along River Road north of Southport.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}