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": ""}
  > rhynchosia       rhynchosia senna var. angustifolia `   F.o4 var.  0 1934-07-23    an c.h. mueller & m.t. mueller   K]4 1220  Dnn Mexico  senna Xl   j.w. grear el *e          fabales
{"catalogNumber": "", "order": "Fabales", "family": "", "scientificName": "Rhynchosia senna var. angustifolia", "scientificNameAuthorship": "", "genus": "Rhynchosia", "subgenus": "", "specificEpithet": "senna", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "J.W. Grear", "recordedBy": "C.H. Mueller & M.T. Mueller", "recordNumber": "1220", "verbatimEventDate": "1934-07-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}