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": ""}
   (x)sw pottsii  7D:Kf Croton pottsii var. pottsii  EUPHORBIACEAE nrI(      Nu   FORREST SHREVE nTEXAS Q FV;   Kqu+f VAR.  malpighiales (#tE  1543561 !   9 Crockett  Gj  1939-09-19 14 mi. west of ozona 0HIH   9455aR j3D  823 [    qs croton   SgC(Y UNITED STATES  P. E. Berry [ ypP  
{"catalogNumber": "1543561", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton pottsii var. pottsii", "scientificNameAuthorship": "", "genus": "Croton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "pottsii", "identifiedBy": "P. E. Berry", "recordedBy": "Forrest Shreve", "recordNumber": "9455a", "verbatimEventDate": "1939-09-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Crockett", "municipality": "", "locality": "14 mi. west of Ozona", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "823", "maximumElevationInMeters": ""}