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": ""}
   D8~V 254  brevifolium 3y  var.  ?   Swallen qmsk    1955-10-05  u   b. emery     cathestecum 0` y  CATHESTECUM BREVIFOLIUM VAR. BREVIFOLIUM !MN#x    XU? guanajuato  LR! mexico BREVIFOLIUM =dvw    el zã³calo; 15 mi s of leã³n ZZ   in open grassland. soil was a sandy loam I    
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Cathestecum brevifolium var. brevifolium", "scientificNameAuthorship": "Swallen", "genus": "Cathestecum", "subgenus": "", "specificEpithet": "brevifolium", "verbatimTaxonRank": "var.", "infraspecificEpithet": "brevifolium", "identifiedBy": "", "recordedBy": "B. Emery", "recordNumber": "254", "verbatimEventDate": "1955-10-05", "habitat": "In open grassland. Soil was a sandy loam", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Guanajuato", "county": "", "municipality": "", "locality": "El Z\u00c3\u00b3calo; 15 mi S of Le\u00c3\u00b3n", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}