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 l8c   t #v Texas  _] W malpighiales 1952-07-18 j_v      var.  M? 9I Big Bend Natonal Park, arid desert plains and hills, Gravelly hills c. 1 mile E of mouth of Terlinqua Creek, sparse scrub of Larrea, Fouquiera, & Opuntia spp    6Je .G. L. WEBSTER & K. I. MILLER   %p common in narSrow draws  b  1543551  euphorbiaceae OL,    j JoA United States      =O?o brewster    
{"catalogNumber": "1543551", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Croton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "G. L. Webster & K. I. Miller", "recordNumber": "", "verbatimEventDate": "1952-07-18", "habitat": "Common in narrow draws", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Brewster", "municipality": "", "locality": "Big Bend National Park, arid desert plains and hills, Gravelly hills c. 1 mile E of mouth of Terlingua Creek, sparse scrub of Larrea, Fouquiera, & Opuntia spp", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}