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": ""}
  Ig; 1543002   tIadnzania h|_0j     pax _+<jf    SCHEFFLERI q     Q9a1E 35.9197222  6L croton scheffleri   <]B: 2000-04-15 352 xHT/     CROTON  $Fw   p. e. berry X1Z-    
{"catalogNumber": "1543002", "order": "", "family": "", "scientificName": "Croton scheffleri", "scientificNameAuthorship": "Pax", "genus": "Croton", "subgenus": "", "specificEpithet": "scheffleri", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "P. E. Berry", "recordedBy": "", "recordNumber": "352", "verbatimEventDate": "2000-04-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Tanzania", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "35.9197222", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}