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": ""}
   4 ]@ Crossing on road to Ures      (BENTH.) SEIGLER & EBINGER  R    F$J^ fabaceae heroica ciudad de rures; 8 mi e of  sacaton road to ures  Q   G9~K 7306  1148188 B  29.4469 M  vachellia  ;  CONSTRICTA o&QqJ    1y Fabales  3i m Ira L. Wiggins   PZ6 mexico sonora *,  -110.381  H[&$  1934-09-19 (  VACHELLIA CONSTRICTA o l   URES gW1> 
{"catalogNumber": "1148188", "order": "Fabales", "family": "Fabaceae", "scientificName": "Vachellia constricta", "scientificNameAuthorship": "(Benth.) Seigler & Ebinger ", "genus": "Vachellia", "subgenus": "", "specificEpithet": "constricta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ira L. Wiggins", "recordNumber": "7306", "verbatimEventDate": "1934-09-19", "habitat": "Crossing on road to Ures", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Sonora", "county": "Ures", "municipality": "", "locality": "Heroica Ciudad de Ures; 8 mi E of Sacaton road to Ures", "decimalLatitude": "29.4469", "decimalLongitude": "-110.381", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}