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": ""}
 QdGNK PURPURASCENS  )`k:k Poales           aristida  w.u   S]< OPEN AND SUNNY, V. EXPOSED; EXTREMELY DRY SANDY SOIL; WITH RUBUS FLAGELLARIS, MONARDA PUNCTATA, LSPEDEZA CAPITATA, ANDROPOGON VIRGINICUS.        "(VELTING PROPETY)" Er    1615 g   
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Aristida", "subgenus": "", "specificEpithet": "purpurascens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "1615", "verbatimEventDate": "", "habitat": "Open and sunny, v. exposed; extremely dry sandy soil; with Rubus flagellaris, Monarda punctata, Lespedeza capitata, Andropogon virginicus.", "occurrenceRemarks": "\"(Velting property)\"", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}