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": ""}
2767 #si     zR| -109.116   campechiana    sonora O    V z S Vachellia campechiana     wX (MILL.) SEIGLER & EBINGER       1939-09-07 ?7&D   nDM=  MEXICO    g? VACHELLIA  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Vachellia campechiana", "scientificNameAuthorship": "(Mill.) Seigler & Ebinger", "genus": "Vachellia", "subgenus": "", "specificEpithet": "campechiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "2767", "verbatimEventDate": "1939-09-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Sonora", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-109.116", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}