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": ""}
 x y cyperac3ae  s a. gray   *c 10950   aj7: South Carolina  L| 1991-08-06  D=QD ON E SIDE OF LITTLE BEE DEE RIVER AT UNNAMED SANDY "ISLAND" ABOUT 1 MI DOWNSTRE4M FROM SC 917.    =fp horry   rhyn chospora megalocarpa n   St| poales     Z  rhynchospora  john b. nelson S   UNITED STATES Pbj a     ?(0:T MEGAYLOCARPA 1400618 T  
{"catalogNumber": "1400618", "order": "Poales", "family": "Cyperaceae", "scientificName": "Rhynchospora megalocarpa", "scientificNameAuthorship": "A. Gray", "genus": "Rhynchospora", "subgenus": "", "specificEpithet": "megalocarpa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John B. Nelson", "recordNumber": "10950", "verbatimEventDate": "1991-08-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "South Carolina", "county": "Horry", "municipality": "", "locality": "On E side of Little Pee Dee River at unnamed sandy \"island\" about 1 mi downstream from SC 917.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}