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": ""}
   B.L.TURNER xR 4    Bc irving w. knobloch   RyS]h LAMIALES   2000 ;G   1964-05-16 rwz   RE novoleonensis      U MEXICO  potosina G  !  billie l. turner $v   q?mBp 12782L65  G|= var.    e||W] nuevo leon
{"catalogNumber": "1278265", "order": "Lamiales", "family": "", "scientificName": "", "scientificNameAuthorship": "B.L.Turner", "genus": "", "subgenus": "", "specificEpithet": "potosina", "verbatimTaxonRank": "var.", "infraspecificEpithet": "novoleonensis", "identifiedBy": "Billie L. Turner", "recordedBy": "Irving W. Knobloch", "recordNumber": "2000", "verbatimEventDate": "1964-05-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Nuevo Leon", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}