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": ""}
 U PO4LES  $+~T  1405849  POAGEAE j~bP|   aristida purpurea var2. nealleyi B Cu    *|<! 290  907 U    Rz 2 miles E of Del Rio  ARISTIDA ;Wm0v   purpurea dp=  VAR. 50,uA  nealleyi /<e;      6q (VASEY) ALLR ED  >S 1939-06-17   ,,)5| texas     Qv LEROY H. HARVEY
{"catalogNumber": "1405849", "order": "Poales", "family": "Poaceae", "scientificName": "Aristida purpurea var. nealleyi", "scientificNameAuthorship": "(Vasey) Allred", "genus": "Aristida", "subgenus": "", "specificEpithet": "purpurea", "verbatimTaxonRank": "var.", "infraspecificEpithet": "nealleyi", "identifiedBy": "", "recordedBy": "LeRoy H. Harvey", "recordNumber": "907", "verbatimEventDate": "1939-06-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Texas", "county": "", "municipality": "", "locality": "2 miles E of Del Rio", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "290", "maximumElevationInMeters": ""}