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": ""}
mexicvo  g       1987-05=-25 FABACEAE   _q   ;jb wa c. ro8les p. 18 8   <,,? (schltdl. & cham.) seigler & ebinger    pW-H@ Vachellia pennatula  arroyo central; san felipe tejalapan 7[     5 -96.8511      *Kd| pennatula  J.E. EBINGER Eg    <cb7A 17.1158  b:[< VACHELLIA  N_|4 oaxaca 
{"catalogNumber": "", "order": "", "family": "Fabaceae", "scientificName": "Vachellia pennatula", "scientificNameAuthorship": "(Schltdl. & Cham.) Seigler & Ebinger ", "genus": "Vachellia", "subgenus": "", "specificEpithet": "pennatula", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "J.E. Ebinger", "recordedBy": "C. Robles P.", "recordNumber": "18", "verbatimEventDate": "1987-05-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Oaxaca", "county": "", "municipality": "", "locality": "Arroyo Central; San Felipe Tejalapan", "decimalLatitude": "17.1158", "decimalLongitude": "-96.8511", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}