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": ""}
 Eagle Pass- Del Ro _go         4 Y CAV.  croton dioicus |AJ   s.n. g6.4z  1543199 1f)Ua  1931-08-26 aOtg    qB]:c croton MAVERICK F10B@       %R p. e. berry UNITED STATES  NJ,   SMx  pauline hoglund  sO Ez TEXAS  aNhm dioicus 
{"catalogNumber": "1543199", "order": "", "family": "", "scientificName": "Croton dioicus", "scientificNameAuthorship": "Cav.", "genus": "Croton", "subgenus": "", "specificEpithet": "dioicus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "P. E. Berry", "recordedBy": "Pauline Hoglund", "recordNumber": "s.n.", "verbatimEventDate": "1931-08-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Maverick", "municipality": "", "locality": "Eagle Pass- Del Rio", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}