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": ""}
  u  4 FABALES  N5 Senna purpsii fabaceae LU     JC] Mexico  PURPUSII i5        N 2526   D baja california    RANCHO SAN ANGEL (PARCELA 22); ARROYO IN PLAIN,15.5 KM NW OF RANCH0 MEZQUITAL Goj   Senna |   `le 1182621  zP (BRANDEGEE) H.S.IRWIN & BARNEBY  ^  a. carter & a. alexander 
{"catalogNumber": "1182621", "order": "Fabales", "family": "Fabaceae", "scientificName": "Senna purpusii", "scientificNameAuthorship": "(Brandegee) H.S.Irwin & Barneby", "genus": "Senna", "subgenus": "", "specificEpithet": "purpusii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. Carter & A. Alexander", "recordNumber": "2526", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Baja California", "county": "", "municipality": "", "locality": "Rancho San Angel (Parcela 22); Arroyo in plain,15.5 km NW of Rancho Mezquital", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}