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": ""}
  yK 39-49  spink <    J.F. BRENCKLE ARy1  EUPHORBIA SERPILLIFOLIA n,7  SOUTH DAKOTA pd       **5[ Mellette   1J 1288853 Malpighiales oAu   Pers. 8^QU   vn -EUPHORBIACEAE fields and prairie qw)N_  EUPHORBIA @WZ1n   cC8)4 1939-07-15  united ustates BR[F   serpillifolia I|49~ 
{"catalogNumber": "1288853", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Euphorbia serpillifolia", "scientificNameAuthorship": "Pers.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "serpillifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J.F. Brenckle", "recordNumber": "39-49", "verbatimEventDate": "1939-07-15", "habitat": "Fields and prairie", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "South Dakota", "county": "Spink", "municipality": "", "locality": "Mellette", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}