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": ""}
 a=VRb VIRGATUS    KXR VERACRUZ          DESMANTHUS VIRGATUS VAR. DEPRESSUS [7G.   ^w#E[ 19.1305 d. ward ;8N     fabales  UTX&     RANCHO TEMBLADERAS; VER; 5 MI SW OF VERACRUZ, MEXICO 180 KQhC    
{"catalogNumber": "", "order": "Fabales", "family": "", "scientificName": "Desmanthus virgatus var. depressus", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "virgatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "D. Ward", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Veracruz", "municipality": "", "locality": "Rancho Tembladeras; Ver; 5 mi SW of Veracruz, Mexico 180", "decimalLatitude": "19.1305", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}