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": ""}
 united states  tb Y  Malpighiales  ?   l1 8375  o Euphorbiaceae L. CROIZAT @A!  Rocky slopes of Pecos canyon, 12 mi W of Comstock &0_     Kunth6 <E;   FORREST SHREVE t9svg   32J% 1543367  1938-08-20 PzFM     !  Croton   0 *O texas  + CROTON INCANUS   7?Ok$ Val Verde    )a|L7 incanus 
{"catalogNumber": "1543367", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton incanus", "scientificNameAuthorship": "Kunth", "genus": "Croton", "subgenus": "", "specificEpithet": "incanus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "L. Croizat", "recordedBy": "Forrest Shreve", "recordNumber": "8375", "verbatimEventDate": "1938-08-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Val Verde", "municipality": "", "locality": "Rocky slopes of Pecos canyon, 12 mi W of Comstock", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}