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": ""}
croton /    Hans-Joachim Esser y   potabilis k0   d j. clemens & m. s. clemens   5mall tree in forest .w>?u      g MALPIGHIALES  1927-07 SH   1542991G Gq9]    = c CROIZAT CROTON POTABILIS /    /WlG  EUPHORBIACEAE  S  4F da nang 3842 +8FK+g  SOUTH CENTRAL kHZq   annam, mount bani is in the main coast range about 25 kilometers from tourane v2r@)  
{"catalogNumber": "1542991", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton potabilis", "scientificNameAuthorship": "Croizat", "genus": "Croton", "subgenus": "", "specificEpithet": "potabilis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Hans-Joachim Esser", "recordedBy": "J. Clemens & M. S. Clemens", "recordNumber": "3842", "verbatimEventDate": "1927-07", "habitat": "", "occurrenceRemarks": "Small tree in forest", "associatedTaxa": "", "country": "", "stateProvince": "South Central", "county": "Da Nang", "municipality": "", "locality": "Annam, Mount Bani is in the main coast range about 25 kilometers from Tourane", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}