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": ""}
  .y united states    /P~ E. WHITEHOUSE dentata 6#     o 0UC 1246398  ~ euphorbia dentata  l*Q<v 16320  G&H UPHORBIA  1p ANNUAL HERB       Texas T!  n of belton on highway V317 on leon river w5g;   G malpighiales    michx.      
{"catalogNumber": "1246398", "order": "Malpighiales", "family": "", "scientificName": "Euphorbia dentata", "scientificNameAuthorship": "Michx.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "dentata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E. Whitehouse", "recordNumber": "16320", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Annual herb", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "", "municipality": "", "locality": "N of Belton on Highway 317 on Leon River", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}