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": ""}
      1446 b4V M     Sinaloa b     k humb. & bonpl.  e+dus ROGERS MCVAUGH  zzk 1957-12-21  Spottily distributed, with shrubs ano cacti in saline flats Kp    j FABALES         7Wql caesalpinia
{"catalogNumber": "", "order": "Fabales", "family": "", "scientificName": "", "scientificNameAuthorship": "Humb. & Bonpl.", "genus": "Caesalpinia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Rogers McVaugh", "recordedBy": "", "recordNumber": "1446", "verbatimEventDate": "1957-12-21", "habitat": "Spottily distributed, with shrubs and cacti in saline flats", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Sinaloa", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}