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": ""}
 S.N. uh     1937-10-30 ^(`|u     I euphorbiaceae   _ee Malpighiales  euphorbia .cAa     4 Euphorbia dentata AUSTIvN    B.C. THARP n     z dentata        CsP;  United States
{"catalogNumber": "", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Euphorbia dentata", "scientificNameAuthorship": "", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "dentata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "B.C. Tharp", "recordNumber": "s.n.", "verbatimEventDate": "1937-10-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Austin", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}