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": ""}
 gv 1939-11-18   # Contact UM Hebarium  lC fabales  `$Fx FABACEAE  Cb?[ Senna  U senna pallida var. geminif`lora MEXICO [m     4967 xZ IW        h.s.irwin & barneby 0]   VAR. ;q-   Y geminiflora pallida ^C$^     howard s. gentry -QMuT  HOWARD S. IRWIN hSmp 
{"catalogNumber": "", "order": "Fabales", "family": "Fabaceae", "scientificName": "Senna pallida var. geminiflora", "scientificNameAuthorship": "H.S.Irwin & Barneby", "genus": "Senna", "subgenus": "", "specificEpithet": "pallida", "verbatimTaxonRank": "var.", "infraspecificEpithet": "geminiflora", "identifiedBy": "Howard S. Irwin", "recordedBy": "Howard S. Gentry", "recordNumber": "4967", "verbatimEventDate": "1939-11-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}