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": ""}
   Ff san pablo villa de mitla  `p0uZ leucaena esculenta  @z 1168962   2408 7xn^3     fabaceae P   Benth. Sg|nw   0M@z OAXACA  C -96.3742  T<  mexico Robias; Valle de Oaxaca; N of Tlacalula and S of Tule near Mitla  G$     lxJ 1966-02-02    @ W. ERNST     ) ESCULENTA W.R. ERNST xG 
{"catalogNumber": "1168962", "order": "", "family": "Fabaceae", "scientificName": "Leucaena esculenta", "scientificNameAuthorship": "Benth.", "genus": "", "subgenus": "", "specificEpithet": "esculenta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "W.R. Ernst", "recordedBy": "W. Ernst", "recordNumber": "2408", "verbatimEventDate": "1966-02-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Oaxaca", "county": "San Pablo Villa de Mitla", "municipality": "", "locality": "Robias; Valle de Oaxaca; N of Tlacalula and S of Tule near Mitla", "decimalLatitude": "", "decimalLongitude": "-96.3742", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}