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": ""}
 ok 8? Texa 161 M 1949-06-08 )Je`    Euphorbiaceae L0Z    -uQSz var.        yT united sta7es CROTON POTTSII VAR. POTTSII S `%C   pottsii =D:d   YJ5% Terrell   q]f3= 1543572     [ croton  
{"catalogNumber": "1543572", "order": "", "family": "Euphorbiaceae", "scientificName": "Croton pottsii var. pottsii", "scientificNameAuthorship": "", "genus": "Croton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "pottsii", "identifiedBy": "", "recordedBy": "", "recordNumber": "161", "verbatimEventDate": "1949-06-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Terrell", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}