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": ""}
off u. s. 67, 3 miles west of mc camey, on plains Na  Cav. T   lW z Texas  1941-04-[16 lf   s P. E. BERRY      ;%!8^ 1543201   EUPHhORBIACEAE ue  C. L. LUNYDELL, AMELIA A. LUNDE1L R    U jI+ UPTON  eZ0 CROTON DIOICUS  dioicus a<jJ        xD UNITED STAT ES   
{"catalogNumber": "1543201", "order": "", "family": "Euphorbiaceae", "scientificName": "Croton dioicus", "scientificNameAuthorship": "Cav.", "genus": "", "subgenus": "", "specificEpithet": "dioicus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "P. E. Berry", "recordedBy": "C. L. Lundell, Amelia A. Lundell", "recordNumber": "", "verbatimEventDate": "1941-04-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Upton", "municipality": "", "locality": "off U. S. 67, 3 miles west of MC Camey, on plains", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}