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": ""}
Vachellia j      + GEO. B. HINTON  -100.895 taN  18.2354 Ghpda  1185817 f,Z7a   placeres del oro; mina; placeres  X 3  COYUCA DE CATALÃ¡N @]w>5       ^ 88n Mexico CAMPECHIAN4 Ob*    nn vachellia campechiana    1937-06-08 2gv    
{"catalogNumber": "1185817", "order": "", "family": "", "scientificName": "Vachellia campechiana", "scientificNameAuthorship": "", "genus": "Vachellia", "subgenus": "", "specificEpithet": "campechiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Geo. B. Hinton", "recordNumber": "", "verbatimEventDate": "1937-06-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "Coyuca de Catal\u00c3\u00a1n", "municipality": "", "locality": "Placeres del Oro; Mina; Placeres", "decimalLatitude": "18.2354", "decimalLongitude": "-100.895", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}