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 constricta _8          vn  ON DRY GRAVELLY SLOPES 7101 ,:.M         P EMPALME  6j<h CONSTRICTA  eWe ( IRA L. WIGGINS        Ct 27.963  ,Aw8o EMPALME; EMPALME; HWY AND CANANVEAS ROAD     Mexico
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Vachellia constricta", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "constricta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ira L. Wiggins", "recordNumber": "7101", "verbatimEventDate": "", "habitat": "On dry gravelly slopes", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "Empalme", "municipality": "", "locality": "Empalme; Empalme; hwy and Cananeas road", "decimalLatitude": "27.963", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}