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": ""}
  MEXICO e+Qlw  var. ..Jd   25.4307 4KuFv    ]Mxi 1148442  ab Saltillo  A ravelly flats  . FABACEA~E VACHELLIA *SHF&     xrH -100.999  7KC<- FARNESINA  VACHELLIA FARNESIANA VAR. FARNESIANA 0JH1S   m23 *   .~),J 1973-12-15       
{"catalogNumber": "1148442", "order": "", "family": "Fabaceae", "scientificName": "Vachellia farnesiana var. farnesiana", "scientificNameAuthorship": "", "genus": "Vachellia", "subgenus": "", "specificEpithet": "farnesiana", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "M23", "verbatimEventDate": "1973-12-15", "habitat": "Gravelly flats", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "Saltillo", "municipality": "", "locality": "", "decimalLatitude": "25.4307", "decimalLongitude": "-100.999", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}