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": ""}
Asteraceae S  Greene H 4Y   LEPTOCEPHALA t   Craighead R    Euthamia leptocephala 4YE[   ze7 ASTERALES       Y 85 1951-10-09 n8   b*-4 EUTHAMIA  DELZIE DEMAREE KBt   sBP04 united sta7es  STATE COLLEGE. VALLEY LAND. eVz,6  Arkansas (+  J    n SN 1442720   T== 31543
{"catalogNumber": "1442720", "order": "Asterales", "family": "Asteraceae", "scientificName": "Euthamia leptocephala", "scientificNameAuthorship": "Greene", "genus": "Euthamia", "subgenus": "", "specificEpithet": "leptocephala", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Delzie Demaree", "recordNumber": "31543", "verbatimEventDate": "1951-10-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Craighead", "municipality": "", "locality": "State College. Valley land.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "85", "maximumElevationInMeters": ""}