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": ""}
 Q Cyperaceae   virginia 9mY`x  ANOYMOUS PL. EXS. GRAYAN. 923 +! d  NEAR COX LANDING. [FORMERLY KNOWN AS NANSEMOND COUNTY] T        a` united states  L.B. Smith tY!    %WH POALES chalarocepbala OgtJ   -xw  139=9687  2 E RHYNCHOSPORA CHALAROCEPHALA  1939-08-15  /*     p5 vV fernald & gale   & rhynchospora Suffolk, City of VAeUr  
{"catalogNumber": "1399687", "order": "Poales", "family": "Cyperaceae", "scientificName": "Rhynchospora chalarocephala", "scientificNameAuthorship": "Fernald & Gale", "genus": "Rhynchospora", "subgenus": "", "specificEpithet": "chalarocephala", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "L.B. Smith", "recordNumber": "Anonymous Pl. Exs. Grayan. 923", "verbatimEventDate": "1939-08-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Virginia", "county": "Suffolk, City of", "municipality": "", "locality": "Near Cox Landing. [formerly known as Nansemond County]", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}